taxonID	type	description	language	source
9C301B0A4804FF8BD097FC50FECAFB2A.taxon	materials_examined	Type species — Laelaps claviger Berlese, 1883: 2.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4804FF8BD097FC50FECAFB2A.taxon	diagnosis	Diagnosis. The diagnosis of Cosmolaelaps used here is based on that of Moreira et al. (2014) and Plumari & Joharchi (2017).	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4804FF88D097FA88FB94FE4D.taxon	description	Cosmolaelaps chianensis. — Moreira et al., 2014: 319. Specimens examined. 11 females and six males, Taehwa River, Ulsan Metropolitan City, Republic of Korea, 35 ° 32 ' N, 129 ° 17 ' E, alt. 666 m, 0 3 Jun 2015, E. Keum coll., from soil (coniferous and deciduous forest); five females, World cup park, Seoul, Republic of Korea 37 ° 32 ' N, 127 ° 02 ' E, alt. 594 m, 19 May 2016, E. Keum coll., from soil (metasequoia, deciduous and phragmites); five females, Cheongoksan Natural Recreation Forest and Yeonhwa mine, Bonghwa, Gyeongbuk province, Republic of Korea 37 ° 02 ' N, 128 ° 59 ' E, alt. 776 m, 0 8 July 2014, E. Keum coll., from soil (grass, pine forest and Sasa borealis); four females and two males, Ohyu-ri, Haeanmyeon, Yanggu-gun, Ganwon province, Republic of Korea 38 ° 15 ' N, 128 ° 06 ' E, alt. 725 m, 20 Jun 2016, E. Keum coll., from soil; four female, Chilgok, Gyeongbuk province, organic apple orchard, Republic of Korea 36 ° 03 ' N, 128 ° 21 ' E, alt. 72 m, 27, April, 2012, E. Keum coll., from soil; seven females and four males, Hallasan national park, Jeju island, Republic of Korea 33 ° 22 ' N, 126 ° 31 ' E, alt. 1497 m, 17 June 2016, E. Keum coll., from soil; four female, Nakdong River, Andong and Gumi, Gyeongbuk-province, Republic of Korea 36 ° 33 ' N, 128 ° 35 ' E, alt. 92 m, 36 ° 11 ' N, 128 ° 22 ' E, alt. 36 m, 23 May 2009, E. Keum coll., from soil riparian grassland. (All deposited in PMANU). Notes. Cosmolaelaps chianensis was described from China (Gu, 1990). It has been found associated with Mus pahari Thomas (Rodentia: Muridae). The description of this species is brief and both the description and illustrations lack many important details. Ma (2006) considered that Cosmolaelaps hefeiensis is a junior synonym of C. chianensis. C. hefeiensis was also described from China (Xu & Liang, 1996). It has been found from moss (Xu & Liang, 1996) and is now recorded in Republic of Korea for the first time, from soil. Our concept of the species is based on that of Xu & Liang (1996) and our specimens agree very well with the description given by Xu & Liang, 1996 for Cosmolaelaps hefeiensis. The species is easily recognised by the long and thick setae of the dorsal shield (most setae long enough to reach well past the base of next posterior seta), j 1, z 1 and Z 5 simple and a without knob at their bases and fixed digit of chelicera of female with six teeth.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4807FF88D097FDA6FEC5FB98.taxon	description	Notes. Cosmolaelaps hortensis was described from Japan (Ishikawa, 1986). It has been found associated with a millipede species, Oxidus gracilis (Koch) (Polydesmida: Paradoxosomatidae), and is now recorded in Republic of Korea for the first time, on the rhinoceros beetle A. dichotoma. Our specimens agree well with the description given by Ishikawa (1986). The species is easily recognised by the long setae of the dorsal shield (most setae long enough to reach well past the base of the next posterior seta) and the fixed digit of the female’s chelicera with two large and six small teeth.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4807FF88D097FBC8FA18F97F.taxon	description	Specimens examined. 10 females and seven males, Nakdong River, Jeongsang-dong, Andong, Goepyeong-ri, Gumi, Gyeongbuk province, Republic of Korea, 36 ° 33 ' N, 128 ° 40 ' E, alt. 92 m, 36 ° 10 ' N, 128 ° 22 ' E, alt. 31 m 23 May 2009, E. Keum coll., from soil riparian grassland (deposited in PMANU). Notes. Cosmolaelaps hrdyi was described from China (Samšiňák, 1961) where it was found from a termite mound. Ma (2006) considered that Cosmolaelaps shenyangensis is a junior synonym of Cosmolaelaps hrdyi. C. shenyangensis was also described from China (Bei et. al., 2003). It has been found from soil and is now recorded in Republic of Korea for the first time, from the same host. Our specimens agree well with the both description given by Samšiňák (1961) and Bei et. al. (2003). The species is easily recognised by thin setae of the dorsal shield, j 1, z 1 and Z 5 simple and without knob at their bases, and st 1 and st 2 long, reaching well past base of next posterior setae.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4807FF89D097F8ABFF6EF824.taxon	description	Specimens examined: Holotype, female, Taehwa River, Ulsan Metropolitan City, Republic of Korea, 35 ° 32 ' N, 129 ° 17 ' E, alt. 666 m, 12 May 2015, E. Keum coll., from soil around root of oak tree. Paratypes: two females, same data as holotype (deposited in PMANU). Description. Female. Dorsal idiosoma (Fig. 1). Body length 372 – 401 and width 263 – 317. Dorsal shield covering entire idiosoma, width 336 – 340, shield with weak reticulation throughout, more distinct in podonotal section; dorsal shield bearing 39 pairs setae, 22 pairs on podonotal region (j 1 – 6; z 1 – 6; s 1 – 6; r 2 – 5) and 17 pairs on opisthonotal region (J 1 – 5; Z 1 – 5; S 1 – 5; and two pairs of Zx); most dorsal setae elongate (38 – 45), scimitar-shaped (Figs. 1, 3), except j 1 (15 – 18) and Z 5 (25 – 28) simple but thickened and abruptly tapering apically (Figs. 2, 4) and z 1 (10 – 13) setiform. Almost all setae long enough to reach well past base of next posterior seta, all setae smooth except Z 5 lightly barbed (Fig. 4). Shield with 15 pairs of discernible pore-like structures, nine on podonotum (Fig. 1) and four on opisthonotum (Fig. 1). Shape, position and relative length of setae shown in figures (Figs 1 – 3). Ventral idiosoma (Figs 5 – 7). Tritosternal base (27 – 29 long × 7 – 9 wide) and pilose laciniae, length 52 – 54 (Fig. 5). Presternal area with few distinct transverse striae. Sternal shield length 90 – 93, width 120 – 125, with slightly concave posterior margin; with three pairs of simple and subequal sternal setae [st 1 (30 – 32), st 2 (25 – 28), st 3 (25 – 28)] and two pairs of poroids (iv 1 and iv 2 slit-like, adjacent to setae st 1 and between st 2 and st 3, respectively). Sternal shield smooth, without distinct reticulation. One pair of simple metasternal setae st 4 (25 – 30) and pore-like iv 3 inserted on soft cuticle posterior to sternal shield. Genital shield elongate, rounded posteriorly, width (75 – 78) and length (138 – 150). Surface with characteristic ornamentation including distinct V-shaped lines, abutting anal shield, and with one pair of simple genital setae st 5 (25 – 28). Paragenital poroids (iv 5) located on soft cuticle lateral to shield behind coxae IV. Anal shield subtriangular (length 70 – 75), width (53 – 55), bearing a pair of simple paranal setae (15 – 18), postanal seta (25 – 28) thickened, barbed, apically bent (hook shaped) and inserted on a small tubercle (Figs. 5, 7) and with a pair of marginal pores (gv 3); cribrum small. Soft opisthogastric cuticle surrounding genital and anal shields with one pair of sub oval metapodal plates (17 – 19 long × 5 – 7 wide) and 14 pairs of setae (20 – 28) (Jv 1 – Jv 5, Zv 1 – Zv 5, UR 1 - UR 4); Jv 4, Jv 5 and Zv 5 thickened, abruptly tapering apically, other setae simple (Figs. 5, 6). Peritreme long, extending to level of anterior margin of coxa I (near z 1), peritrematal shield narrow, free from exopodal shields, each shield bearing three discernible pore-like structures, two lyrifissures ip and a gland pore gp on post-stigmatic section and also a small pore-like structure within peritreme at level of coxa III (Fig. 5); anterior part of shield fused with dorsal shield. Gnathosoma. Hypostome with three pairs of hypostomal setae [h 1 (18 – 20), h 2 (18 – 20), h 3 (27 – 30)] and a pair of palpcoxal setae (pc) (23 – 25). Hypostomal groove with six rows of 11 – 14 denticles, and smooth anterior and posterior transverse lines, corniculi horn-like and parallel to each other, almost reaching mid-level of palp femur (Fig. 8). Palp chaetotaxy normal (2 – 5 – 6 – 14 – 15), setae uniform in shape; palp tarsal apotele two-tined. Anterior edge of epistome acuminate, irregularly denticulate (Fig. 9). Fixed digit of chelicera with eight teeth (n = 3) of various sizes and a setaceous pilus dentilis. Arthrodial brush present at base of movable digit, dorsal cheliceral setae short. Movable digit with two teeth (Fig. 10). Internal malae complex, with two pairs of lobes, inner lobes narrow, with serrated edges, outer lobes narrow, pointed, shorter than inner lobes, with strongly serrated edges. Legs (Figs 11 – 13). Tarsi I – IV each with a pair of claws and pulvillus. Legs II (238 – 267) and III (223 – 243) shorter than legs I (342 – 348) and IV (344 – 350). Chaetotaxy normal for free-living Laelapidae: Leg I: coxa 0 0 / 1 0 / 1 0, trochanter 1 0 / 1 1 / 2 1, femur 2 2 / 1 3 / 3 2, genu 2 3 / 2 3 / 1 2, tibia 2 3 / 2 3 / 1 2. Leg II: coxa 0 0 / 1 0 / 1 0, trochanter 1 0 / 1 1 / 1 1, femur 2 3 / 1 2 / 2 1 (al 2 strongly thickened), genu 2 3 / 1 2 / 1 2, tibia 2 2 / 1 2 / 1 2 (Fig. 11). Leg III: coxa 0 0 / 1 0 / 1 0, trochanter 1 0 / 1 1 / 1 1, femur 1 2 / 1 1 / 0 1 (ad 1 strongly thickened), genu 2 2 / 1 2 / 1 1, tibia 2 1 / 1 2 / 1 1 (Fig. 12). Leg IV: coxa 0 0 / 1 0 / 0 0, trochanter 2 1 / 1 0 / 1 0, femur 1 2 / 1 1 / 0 1 (ad 1 strongly thickened), genu 2 2 / 1 3 / 0 1, tibia 2 1 / 1 3 / 1 2 (Fig. 13). Most leg setae relatively thick, with variation indicated in parentheses above. Tarsi II – IV with 18 setae 3 3 / 2 3 / 2 3 + mv, md, all setae simple and needle-like; all pre-tarsi with a well-developed ambulacral stalk, a pair of claws and three rounded pulvillar lobes, projecting well beyond claws. Insemination structures: Not seen, apparently unsclerotised. Male. Unknown.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4807FF89D097F8ABFF6EF824.taxon	etymology	Etymology. The species is named in memory of Sejong the Great (15 May 1397 – 8 April 1450), the fourth king of the Joseon-dynasty in Republic of Korea, who encouraged creativity and advancements in scientific technology and under whom the Hangeul (Korean alphabet) was created.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4807FF89D097F8ABFF6EF824.taxon	diagnosis	Differential diagnosis. The new species is unique within Cosmolaelaps genus because of the distinctive shape of the post anal seta (thickened, barbed and apically hook shaped), which is inserted on a small tubercle. Additional diagnostic features are the thickened and abruptly tapering setae j 1, Z 5, Jv 4, Jv 5 and Zv 5. Seta Z 5 is also lightly barbed.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4800FF8FD097FF1AFED4FEE1.taxon	materials_examined	Type species — Laelaps myrmecophilus Berlese, 1892, by original designation.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4800FF8FD097FF1AFED4FEE1.taxon	diagnosis	Diagnosis. The diagnosis of Gymnolaelaps used here is based on that of Joharchi et. al. (2011) and Joharchi & Halliday (2013).	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4800FF8FD097FE4DFA94FBB6.taxon	description	Notes. Gymnolaelaps laevis was described from Corsica (Michael, 1891), and has been recorded from Ukraine, Russia, west Kazakhstan, Turkmenia, Western Europe (Bregetova, 1977), England (Evans & Till, 1966) and Iran (Joharchi & Halliday, 2013). It has been found with several genera of ants, and is now recorded in Republic of Korea for the first time, from soil in an organic apple orchard. Our specimen agrees very well with the description given by Evans & Till (1966). There are two postero-lateral setae on genu IV (2 2 / 1 3 / 0 2), and the dorsal shield has 41 pairs of short pointed setae and seven unpaired supernumerary Jx setae. Evans & Till (1966) show a median notch in the anterior margin of the sternal shield, which is not present in our specimen.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4800FF8FD097FBFCFC52F85A.taxon	materials_examined	Type species — Holostaspis isotricha Kolenati, 1858: 87. Notes on the genus. Before the present study, 11 species regarded to belong to Holostaspis had been reported until now (Berlese, 1904; Berlese, 1910; Wasmann, 1897; Willmann, 1956; Karg, 1979; Teng et. al., 1992; Evans & Till, 1966; Bregetova, 1977). The following species are considered as members of Holostaspis and used for the detailed diagnosis of the genus:	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4800FF8FD097FBFCFC52F85A.taxon	diagnosis	Diagnosis. Holodorsal shield often with paired Zx setae between J and Z setae, unpaired Jx setae also often present medially between J 1 and J 3; dorsal shield setae distally pointed, smooth or slightly serrated. Pre-sternal plates fused to sternal shield; sternal shield of female with a notch in middle anterior margin; concave in posterior margin, with three pairs of simple sternal setae, endopodal shields of coxae II and III fused with lateral margins of sternal shield. Anterior margin of sternal shield fused with endopodal shields. Metasternal setae st 4 and associated pores iv 3 always present, inserted on soft cuticle posterior to sternal shield. Genito-ventral shield slightly enlarged behind coxae IV, but long and extended posteriorly (about twice as long as wide), with one pair of setae (st 5), no additional setae on edges of shield. Post-anal seta distinctly longer and thicker than para-anals. Anterior margin of epistome always smooth and curved or acuminate, palp tarsal claw two-tined; chelicera with small digits and reduced denticulation, corniculi short. Legs usually shorter than idiosoma.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4803FF8DD097F8A6FB51F824.taxon	description	Specimens examined: Holotype, female, Samcheock, Gangwon province, Republic of Korea, 37 ° 19 ' N, 128 ° 12 ' E, alt. 1110 m, 0 6 Jun 2011, E. Keum coll., from soil. Paratype: One female, same data as holotype (deposited in PMANU). Description. Female. Dorsal idiosoma (Fig. 14). Length 396 – 405, width 302 – 305 (n = 2). Shield covering entire idiosoma, shield surface well ornamented with irregular transverse lines with few interconnecting lines; with 39 pairs of long setae, 22 pairs on podonotal region (j 1 – 6; z 1 – 6; s 1 – 6; r 2 – 5) and 17 pairs on opisthonotal region (J 1 – 5; Z 1 – 5; S 1 – 5; and two pairs of Zx), all setae on shield smooth and uniform in length (50 – 65) and thickness except j 1 (15 – 17), z 1 (13 – 15) minute. All setae long enough to reach well past base of next posterior seta, opisthonotal region with three unpaired supernumerary seta Jx between J series. Shield with nine pairs of discernible pore-like structures, five on podonotum and four on opisthonotum. Shape, position and relative length of setae shown in figure (Fig. 14). Ventral idiosoma (Fig. 15). Tritosternal base length 25 – 27, width 13 – 15 wide, and pilose laciniae, length 32 – 35. Pre-sternal plates fused to sternal shield; sternal shield length 85 – 88, width 125 – 128, with notch in middle of anterior margin, posterior margin concave. With three pairs of simple and subequal sternal setae [st 1 (28 – 30), st 2 (25 – 27), st 3 (25 – 27)] and two pairs of poroids (iv 1 and iv 2 slit-like, adjacent to setae st 1 and between st 2 and st 3, respectively); antero-lateral surface of shield with polygonal ornamentation, central area smooth. Metasternal platelets absent, one pair of simple metasternal setae st 4 (25 – 27) and pore-like iv 3 inserted on soft cuticle posterior to sternal shield; endopodal plates II / III fused to sternal shield, endopodal plates III / IV elongate, narrow, curved. Genital shield elongate, tapering and rounded posteriorly, width (83 – 85) and length (142 – 144). Surface with a few irregular diagonal lines and polygonal cells, anterior pair of diagonal lines forming an inverted “ V ”; shield bearing genital setae st 5 (25 – 27), expanded slightly just posterior to genital setae. Paragenital poroids (iv 5) located on soft cuticle lateral to shield behind st 5. Anal shield subtriangular, length 77 – 79, width 55 – 57, its anterior half with lineate ornamentation and a pair of lateral pores (gv 3); bearing long and thick post-anal seta (30 – 32), and a pair of para-anal setae (13 – 15), cribrum small. Soft opisthogastric cuticle surrounding genital and anal shields with one pair of sub oval metapodal plates (12 – 14 long × 5 – 7 wide) and 16 pairs of setae (Jv 1 – Jv 5, Zv 1 – Zv 5, UR 1 - UR 6); all setae smooth and uniform in length (22 – 32) and thickness, except Jv 5 (50 – 53) and Jv 4 (37 – 39) long (Fig. 15). Peritreme long, extending to the mid-level of coxa I (near s 1), peritrematal shield very narrow, expanded anteriorly, free from exopodal shields, each shield bearing three discernible pore-like structures, two lyrifissures ip and a gland pore gp on post-stigmatic section and also a small pore-like structure within peritreme at level of coxa III (see Fig. 15); anterior part of shield fused with dorsal shield. Gnathosoma. Hypostome with three pairs of hypostomal setae [h 1 (25 – 27), h 2 (9 – 12), h 3 (19 – 21)] and a pair of palpcoxal setae (pc) (23 – 25). Hypostomal groove with six rows of 11 – 15 denticles, and smooth anterior and posterior transverse lines (Fig. 16). Palp chaetotaxy normal (2 – 5 – 6 – 14 – 15), setae uniform in shape; palp tarsal apotele two-tined. Anterior edge of epistome acuminate, smooth (Fig. 17). Fixed digit of chelicera stumpy and with two teeth and three bumps (n = 2), pilus dentilis short, dorsal seta short, prostrate (Fig. 18); movable digit with two teeth, arthrodial membrane with a rounded flap and a few short filaments (Fig. 18). Corniculi short and weakly sclerotised. Internal malae complex, with two pairs of lobes, inner lobes narrow, with serrated edges, outer lobes narrow, pointed, longer than inner lobes, with serrated edges. Legs (Figs 19 – 21). Tarsi I – IV each with a pair of claws and pulvillus. Legs II (200 – 208) and III (203 – 209) shorter than legs I (295 – 305) and IV (238 – 247). Chaetotaxy normal for free-living Laelapidae: Leg I: coxa 0 0 / 1 0 / 1 0, trochanter 1 0 / 1 1 / 2 1, femur 2 2 / 1 3 / 3 2, genu 2 3 / 2 3 / 1 2, tibia 2 3 / 2 3 / 1 2. Leg II: coxa 0 0 / 1 0 / 1 0, trochanter 1 0 / 1 1 / 1 1, femur 2 3 / 1 2 / 2 1, genu 2 3 / 1 2 / 1 2, tibia 2 2 / 1 2 / 1 2 (Fig. 19). Leg III: coxa 0 0 / 1 0 / 1 0, trochanter 1 0 / 1 1 / 1 1, femur 1 2 / 1 1 / 0 1 (ad 1 strongly thickened), genu 2 2 / 1 2 / 1 1, tibia 2 1 / 1 2 / 1 1 (Fig. 20). Leg IV: coxa 0 0 / 1 0 / 0 0, trochanter 2 1 / 1 0 / 1 0, femur 1 2 / 1 1 / 0 1 (ad 1 strongly thickened), genu 2 2 / 1 3 / 0 1, tibia 2 1 / 1 3 / 1 2 (Fig. 21). Most leg setae relatively thick, with variation indicated in parentheses above. Tarsi II – IV with 18 setae 3 3 / 2 3 / 2 3 + mv, md, all setae simple and needle-like; all pre-tarsi with a well-developed ambulacral stalk, a pair of claws and three rounded pulvillar lobes, extending well beyond claws. Insemination structures: Not seen, apparently unsclerotised. Male. Unknown.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4803FF8DD097F8A6FB51F824.taxon	etymology	Etymology. This species is named after Mr Moon Jae-in, the President of the Republic of Korea, in recognition of his invaluable movements seeking to improve and protect natural environments and wildlife in the Republic of Korea.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4803FF8DD097F8A6FB51F824.taxon	diagnosis	Differential diagnosis. The new species is unique within Holostaspis genus because of its very long dorsal setae. Furthermore, this is the only species with only two teeth and two bumps on the fixed digit.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A480FFF80D097FF1AFB53FEC5.taxon	materials_examined	Type species: Gamasus krameri G. & R. Canestrini, 1881, designated by Berlese (1904).	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A480FFF80D097FF1AFB53FEC5.taxon	diagnosis	Diagnosis. The diagnosis of Hypoaspis used here is based on that of Joharchi & Halliday (2011).	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A480FFF87D097FE2EFD00FBE0.taxon	description	Specimens examined: Holotype female, Uiseong-gun, Gyeongbuk province, Republic of Korea, 36 ° 27 ' N, 128 ° 23 ' E, alt. 148 m, 27 April 2012, E. Keum coll., from soil of organic apple orchard. Paratype: One female, same data as holotype (deposited in PMANU). Description. Female. Dorsal idiosoma (Fig. 22). Length 871 – 880, width at level of r 5 574 – 585. Dorsal shield oval, without lateral incisions, length 705 – 710, width at level of r 5, 396 – 401 (n = 2), shield with weak reticulation, indistinct anteriorly, more distinct in opisthonotal region. Dorsal shield with 39 pairs of smooth and pointed setae, 22 pairs on podonotal shield (j 1 – 6; z 1 – 6; s 1 – 6; r 2 – 5), plus r 6 off the shield, 17 pairs on the opisthonotal shield (J 1 – 5, Z 1 – 5, S 1 – 5), including two pairs of Zx setae between J and Z setae; S 5 longest (126 – 128) and not wavy, j 3 (116 – 118) long, reaching past base of j 4, j 4 (110 – 112) reaching past of base of j 5 (105 – 107). Setal lengths: j 1 80 – 82, j 2 102 – 104, j 6 106 – 108, z 1 47 – 49, z 5 – 6 104 – 107 and J 1 93 – 95, J 2 97 – 99, J 3 102 – 105, J 4 82 – 85 J 5 48 – 50, Z 5 123 – 125, Z 4 75 – 77, S 4 112 – 115. Shield with eight pairs of discernible pore-like structures; lyrifissures near the base of j 1 large and slit-like, others smaller and ovoid. Six and three pairs of setae in R and UR series, respectively, on soft skin surrounding shield. Ventral idiosoma (Fig. 23). Tritosternal base length 52 – 56, width 22 – 25 wide, and pilose laciniae, length 117 – 120; pre-sternal plates present, weakly reticulated. Sternal shield (length 277 – 280) narrowest between coxae II (115 – 118), widest between coxae II – III (225 – 230), with slightly concave anterior and posterior margins and three pairs of long, smooth pointed setae (st 1 – 3 65 – 67), reaching well past base of next posterior setae, one pair of lyrifissures adjacent to setae st 1, and a pair of poroids between st 2 and st 3; lateral surface of sternal shield with weak reticulation and central region without reticulation. Metasternal platelets absent, metasternal setae st 4 (58 – 60) and metasternal poroids located on soft cuticle. Endopodal plates II / III completely fused to sternal shield, endopodal plates III / IV roughly triangular and curved. Genital shield tongue-shaped, length 225 – 227, maximum width 105 – 107, posterior margin rounded, surface with lineate ornamentation, genital setae st 5 (58 – 60) on edge of shield. Circular paragenital poroids located on soft cuticle close to st 5. Anal shield rounded, subtriangular, length 115 – 118, width 100 – 103, anterior half with lineate ornamentation, unpaired post-anal seta (112 – 114) almost thrice as long as para-anal setae (45 – 47), cribrum small, a pair of circular lateral gland pores located on oval (25 – 27 long × 9 – 11 wide) sclerotised plates close to anal shield (labelled gv 3 in Figure 23). Opisthogaster with one pair of oval metapodal plates (39 – 41 long × 8 – 10 wide) and seven pairs of smooth setae (70 – 80) on weakly sclerotised cuticle. Exopodal plates behind coxa IV long and narrow. Peritrematal shield free posteriorly, post-stigmatal section conspicuous and narrow, with three pairs of discernible pore-like structures (apparently two lyrifissures ‘ ip’, and one gland pore ‘ gp’; see Fig. 23), peritreme extending from posterior margin of coxa III to near posterior margin of coxa I. Insemination structures: Insemination ducts opening on posterior margin of coxa III, sacculus indistinct, apparently unsclerotised. Gnathosoma. Epistome irregularly denticulate laterally, with median pointed projection (Fig. 24). Hypostomal groove with six rows of 15 – 28 denticles, and smooth anterior and posterior transverse lines. Hypostome with four pairs of setae, internal posterior hypostomal setae h 3 longest (77 – 79), h 1 (45 – 47), h 2 (27 – 29), palpcoxal (pc) (48 – 50) (Fig. 25). Corniculi robust and horn-like, reaching mid-level of palp femur. Palp setal numbers: trochanter 2, femur 5, genu 6, tibia 12, tarsus 15, all setae smooth and pointed, palp tarsal apotele two-tined. Internal malae complex, with two pairs of lobes, inner lobes narrow, with serrated edges, outer lobes narrow, pointed, shorter than inner lobes, with strongly serrated edges. Fixed digit of chelicera with nine small subterminal teeth, tooth level with pilus dentilis largest (Fig. 26); pilus dentilis short, dorsal seta short, semi-erect, movable digit with two large subterminal teeth, arthrodial membrane a rounded flap with corona. Legs (Figs. 27 – 31). Legs II and III shortest (564 – 584, 594 – 604), I and IV both longer (693 – 703, 802 – 810) (excluding pretarsus). Chaetotaxy normal for free-living Laelapidae. Leg I: coxa 0 0 / 1, 0 / 1 0, trochanter 1 0 / 1, 1 / 2 1, femur 2 3 / 1, 2 / 3 2, genu 2 3 / 2, 3 / 1 2, tibia 2 3 / 2, 3 / 1 2. Leg II: coxa 0 0 / 1, 0 / 1 0, trochanter 1 0 / 1, 0 / 2 1, femur 2 3 / 1, 2 / 2 1 (macroseta pd 1 110 – 112, pd 2 68 70 long, Fig. 27), genu 2 3 / 1, 2 / 1 2 (pd 2 longer 80 – 82, Fig. 27), tibia 2 2 / 1, 2 / 1 2. Leg III: coxa 0 0 / 1, 0 / 1 0, trochanter 1 1 / 1, 1 / 1 0, femur 1 2 / 1, 1 / 0 1 (ad 1 longer 100 – 102, Fig. 28), genu 2 2 / 1, 2 / 1 1 (pd 2 inserted on a small tubercle, ventral setae all thicker, Fig. 28), tibia 2 1 / 1, 2 / 1 1. Leg IV: coxa 0 0 / 1, 0 / 0 0, trochanter 1 1 / 1, 0 / 1 1, femur 1 2 / 1, 1 / 0 1 (macroseta ad 1 125 – 127, ad 2 95 97 longer, pd and ad 2 inserted on small tubercles, Fig. 29), genu 2 2 / 1, 3 / 0 1 (Fig. 29), tibia 1 2 / 1, 3 / 1 2. Tarsi II – IV with 18 setae 3 3 / 2, 3 / 2 3 + mv, md. On tarsus II, al 1, pl 1 and all ventral setae thicker (Fig. 30). Tarsus IV with four macrosetae, ad 2 (113 – 115), pd 2 (125 – 127), pl 2 (140 – 143) and pl 3 (138 – 142) (Fig. 31). All pretarsi with a pair of claws and a long thin membranous ambulacral stalk. Males & immatures. Unknown.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A480FFF87D097FE2EFD00FBE0.taxon	etymology	Etymology. The name longicaudus (Latin longus, long and caudus, tail) refers to the very long post anal seta.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A480FFF87D097FE2EFD00FBE0.taxon	diagnosis	Differential diagnosis. Hypoaspis longicaudus has the following five unique character states for the genus: post anal seta very long, being almost 2.5 times longer than the para anal setae, S 5 are the longest dorsal setae, gv 3 is located on oval sclerotised plates close to the anal shield, and four long macrosetae on tarsus IV (ad 2, pd 2, pl 2 and pl 3) and some other leg setae are inserted on small tubercles (genu III pd 2 and femur IV ad 2, pd). Notes. Hypoaspis sensu stricto is defined by the following character states: dorsal shield oval, without lateral incisions, bearing 35 – 40 pairs of setae including one or more pairs of Zx setae; some opisthonotal setae greatly elongated, especially Z 4 (at least three times as long as J 5); post-anal seta distinctly shorter than para-anals; hypostomal setae h 3 distinctly longer than other hypostomal setae; greatly elongated macrosetae present on femora II and III and tarsus II with two subterminal blunt spines (setae al 1 and pl 1). Our new species, Hypoaspis longicaudus sp. nov., has some character states that define Hypoaspis sensu lato and Hypoaspis sensu stricto. The characters that cause difficulties are: post-anal seta distinctly longer than paraanals (never seen before among species of Hypoaspis s. s.), S 5 longest dorsal setae (versus Z 4 longest dorsal setae among species of Hypoaspis s. s.) and Z 4 not three times as long as J 5 (Z 4 about three times as long as J 5 among species of Hypoaspis s. s.). In all other respects, H. longicaudus belongs to Hypoaspis sensu stricto. Therefore, if we do not use these characters states to define Hypoaspis s. s. then we have too small number of diagnostic character states of this genus. In the other hand at the present time, we do not think to create a new monotypic genus to accommodate the new species would help to clarify the taxonomic problems existing within the family Laelapidae. Therefore, we provisionally place this species in Hypoaspis sensu lato until a comprehensive revision of all these genera resolves its relationships.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4808FF87D097FB52FEABFA29.taxon	materials_examined	Type species Laelaps astronomicus Koch, 1839, by original designation.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4808FF87D097FB52FEABFA29.taxon	diagnosis	Diagnosis. The diagnosis of the genus Laelaspis used here is based on Joharchi et al. (2011, 2012).	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A4808FF84D097FA78FDF3FD8A.taxon	description	Hypoaspis imitates (sic). — Kontschán et. al., 2015: 34 (misidentification). Specimens examined: five females and two males, Andong, Gyeongbuk province, Republic of Korea, 36 ° 33 ′ N, 128 ° 40 ' E, alt. 683 m, 23 May 2009, E. Keum coll., from riparian soil (deposited in PMANU); seven females and one male, Yeongju, Gyeongbuk province, Republic of Korea, 36 ° 50 ′ N, 128 ° 28 ′ E, alt. 542 m, 27 April 2012, E. Keum coll., from soil of organic apple orchard (deposited in PMANU); six females and four males, Hoengseong, Gangwon province, Republic of Korea, 37 ° 31 ′ N, 128 ° 09 ' E, alt. 584 m, 12 April 2014, E. Keum & C. Jung coll., from soil of grassland (deposited in PMANU). Notes. Laelaspis mandibularis was described from the U. S. A. from an unknown habitat (Ewing, 1909). Hennessey & Farrier (1988) and Farrier & Hennessey (1993) considered that Laelaspis johnieae (Hunter & Glover, 1968) is a junior synonym of Laelaspis mandibularis. Laelaspis johnieae was described from Florida, U. S. A., and it has been found from moist sand pine litter (Hunter & Glover, 1968). Kontschán et. al. (2015) reported Laelaspis imitatus Reitblat from Republic of Korea on the basis of one specimen collected from pitfall traps baited with beer in Korean red pine forest. We have not had the opportunity to examine that specimen, but on the basis of some published illustrations of the specimen (Kontschán et. al., 2015), we believe this was a misidentified specimen of L. mandibularis. The species L. mandibularis is easily recognised by: the long pointed dorsal setae (reaching well past base of next posterior seta) with slightly swollen bases; sternal shield with a distinctly concave posterior margin; fixed digit of chelicera with four teeth (two large and two minute); and the pore-like structure between the setae Z 1 and Zx large and clearly apparent.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A480AFF85D097FF1AFDA9FDB7.taxon	materials_examined	Type species Laelaps venetus Berlese, 1903, by original designation.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A480AFF85D097FF1AFDA9FDB7.taxon	diagnosis	Differential diagnosis. Hypoaspidinae mites usually with a genito-ventro-anal shield (hologastric shield), with six pairs of setae (excluding three circum-anal setae), with four pairs of setae in addition to genital setae st 5; peritrematal shields and metapodal plates sometimes fused to hologastric shield (diagnostic character at species level); epistome with irregularly serrated anterior margin; hypostomal groove narrow, with six rows of denticles each bearing few deniticles; palp tarsal claw with three pointed tines of unequal length, proximal tine shortest; genu IV with nine setae including one ventral seta; dorsal shield often with paired Zx setae between J and Z setae, unpaired Jx setae also often present.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
9C301B0A480AFF9AD097FDF6FA9EFE80.taxon	description	Specimens examined. three females, Geumgok-ri, Andong, Republic of Korea, 36 ° 23 ' N, 128 ° 55 ' E, alt. 213 m, 0 8 March 2016, E. Keum coll., from soil of apple orchard (deposited in PMANU); one female, Gapcheon-myeon, Hoengseong-gun, Gangwon province, Republic of Korea, 37 ° 31 ' N, 128 ° 09 ' E, alt. 984 m, 12 April 2014, E. Keum coll., from soil of grassland (deposited in PMANU); one female, World Cup Park, Seoul, Republic of Korea, 37 ° 32 ' N, 127 ° 02 ' E, alt. 594 m, 19 May 2016, E. Keum coll., from soil of grassland (deposited in PMANU). Notes. Kontschán et. al. (2016) reported Pseudoparasitus venetus (Berlese) from Yanggang-do, North Korea, on the basis of one specimen collected from moss. We have not had the opportunity to examine that specimen, but on the basis of the published illustration of the specimen (Kontschán et. al., 2016), we believe this was a misidentified specimen of Ololaelaps wangi because the peritrematal shields are obviously free and not fused to the genito-ventro-anal shield (in Ololaelaps venetus the peritrematal shield is obviously fused to the genito-ventralanal shield). Ololaelaps wangi can be easily distinguished from other members of the genus by the fusion of the metapodal and exopodal shields behind coxa IV, and the lateral fusion of these shields to the genito-ventro-anal shield; furthermore, the peritrematal shield is free posteriorly (i. e. not fused to the metapodal-exopodal shield). Here we provide morphological features of O. wangi to complement the original description of Bai et. al., 1996. Dorsal shield (Fig. 32) with 38 pairs of setae 21 podonotal, 17 opisthonotal, including one pair of Zx setae between J and Z setae; setae almost of subequal length (23 – 27), except Z 5 (16 – 18); all setae not reaching base of next posterior seta. Dorsal shield oval, length 515 – 535, width at level of s 6, 416 – 421 (n = 5), wrapping around onto ventral idiosoma, forming a marginal strip (Fig. 32). Sternal shield (length 94 – 104) narrowest between coxae II (84 – 94), widest between coxae II – III (139 – 148), with slightly straight anterior and posterior margin, with three pairs of long, smooth pointed setae (st 1 – 3 39 – 43), sternal shield entirely reticulated. Genito-ventro-anal shield (Fig. 33) large (272 – 282 long × 213 – 223 wide), bearing six pairs of setae (32 – 34, except Zv 2 and Jv 3 23 – 25) (including st 5 and excluding three circum-anal setae); shield reticulated; metapodal and exopodal shields fused, also laterally fused to genito-ventro-anal shield (Fig. 33). Peritrematal shield free posteriorly, post-stigmatal section narrow, with three pairs of discernible pore-like structures (two lyrifissures ‘ ip ’, and one gland pore ‘ gp ’; see Fig. 33), peritreme extending from posterior margin of coxa III to near mid-level of coxa I. Epistome irregularly denticulate laterally, apical section with minute denticles (Fig. 34). Hypostomal groove narrow, with six rows of denticles each bearing two to four very small teeth and a smooth anterior transverse line (Fig. 35). Palp tarsal claw with three pointed tines of unequal length, proximal tine shortest. Palp trochantal setae simple, needle-like. Fixed digit of chelicera with three teeth (Fig. 36), pilus dentilis short and slender, dorsal seta short, semi-erect, movable digit with two large subterminal teeth, arthrodial membrane a rounded flap with a corona and cheliceral lyrifissure indistinct. Legs. Legs II and III short (292 – 302, 262 – 272), I and IV longer (356 – 366, 366 – 376). Chaetotaxy normal for free-living Laelapidae: Leg I: coxa 0 0 / 1 0 / 1 0, trochanter 1 1 / 2 0 / 1 1, femur 2 3 / 2 2 / 2 2, genu 2 3 / 2 3 / 1 2, tibia 2 3 / 2 3 / 1 2. Leg II: coxa 0 0 / 1 0 / 1 0, trochanter 1 0 / 1 0 / 2 1, femur 2 3 / 1 2 / 2 1 (Fig. 37), genu 2 3 / 1 2 / 1 2 (ad 2 and pd 2 inserted on small tubercles, Fig 37), tibia 2 2 / 1 2 / 1 2 (Fig. 37). Leg III: coxa 0 0 / 1 0 / 1 0, trochanter 1 0 / 1 0 / 2 1, femur 1 2 / 0 1 / 1 1, genu 2 2 / 1 2 / 1 1, tibia 2 1 / 1 2 / 1 1. Leg IV: 0 0 / 1 0 / 0 0, trochanter 1 0 / 1 0 / 2 1, femur 1 2 / 1 1 / 0 1 (Fig. 38), genu 2 2 / 1 3 / 0 1 (Fig. 38), tibia 2 1 / 1 3 / 1 2 (Fig. 38); all setae fine and needle-like. Tarsi II-IV with 18 setae 3 3 / 2 3 / 2 3 + mv, md. All pre-tarsi with a pair of claws and a long thin membranous ambulacrum.	en	Keum, Eunsun, Jung, Chuleui, Joharchi, Omid (2017): New species and new records of the family Laelapidae (Acari: Mesostigmata) from Republic of Korea. Zootaxa 4353 (3): 485-505, DOI: 10.11646/zootaxa.4353.3.5
