taxonID	type	description	language	source
2A42956D7A080832FE50FBF1FC4DC4EF.taxon	diagnosis	Diagnosis according to Radovsky (2010).	en	Gomes-Almeida, Brenda K., Pepato, Almir R. (2021): A new genus and new species of macronyssid mite (Mesostigmata: Gamasina: Macronyssidae) from Brazilian caves including molecular data and key for genera occurring in Brazil. Acarologia 61 (3): 501-526, DOI: 10.24349/acarologia/20214447, URL: http://dx.doi.org/10.24349/acarologia/20214447
2A42956D7A080833FE50FB64FA3BC265.taxon	description	(Figures 3 – 10)	en	Gomes-Almeida, Brenda K., Pepato, Almir R. (2021): A new genus and new species of macronyssid mite (Mesostigmata: Gamasina: Macronyssidae) from Brazilian caves including molecular data and key for genera occurring in Brazil. Acarologia 61 (3): 501-526, DOI: 10.24349/acarologia/20214447, URL: http://dx.doi.org/10.24349/acarologia/20214447
2A42956D7A080833FE50FB64FA3BC265.taxon	type_taxon	Type species: Chiasmanyssus cavernicola, new species.	en	Gomes-Almeida, Brenda K., Pepato, Almir R. (2021): A new genus and new species of macronyssid mite (Mesostigmata: Gamasina: Macronyssidae) from Brazilian caves including molecular data and key for genera occurring in Brazil. Acarologia 61 (3): 501-526, DOI: 10.24349/acarologia/20214447, URL: http://dx.doi.org/10.24349/acarologia/20214447
2A42956D7A080833FE50FB64FA3BC265.taxon	diagnosis	Diagnosis — Female large, its sternal shield square, distinctly sclerotized, with a smoother area on central sternal shield X-shaped ; sternal shield bearing three pairs of setae and two pairs of pores ; without sternal glands ; anterior median protusion in epigynal shield extends under the sternal shield ; anterior spur on coxa II lacking. Adults with dorsal shield entire, reticulated and with j and J series complete. Adults and protonymphs with setae J 5 minute ; all setae on idiosoma, legs and gnathosoma slender and smooth, except palp with disto-ventral seta on genu spatulate. Females and protonymphs with chelae simple and slender, without spines or other processes. Male with four pairs of conspicuous pores near setae j 3, z 4, J 3 and one laterally between J 4 and J 5 setae ; peritrema short, extending from posterior margin of coxae II to the anterior margin of coxae IV and peritrematic shield with nodule fused to the middle of the shield.	en	Gomes-Almeida, Brenda K., Pepato, Almir R. (2021): A new genus and new species of macronyssid mite (Mesostigmata: Gamasina: Macronyssidae) from Brazilian caves including molecular data and key for genera occurring in Brazil. Acarologia 61 (3): 501-526, DOI: 10.24349/acarologia/20214447, URL: http://dx.doi.org/10.24349/acarologia/20214447
2A42956D7A080833FE50FB64FA3BC265.taxon	etymology	Etymology — The generic name comes from Greek word chiasma “ ” referring to the distinct X-shaped area on sternal shield and nyssus “ ”, to prick, referring to the parasitic life.	en	Gomes-Almeida, Brenda K., Pepato, Almir R. (2021): A new genus and new species of macronyssid mite (Mesostigmata: Gamasina: Macronyssidae) from Brazilian caves including molecular data and key for genera occurring in Brazil. Acarologia 61 (3): 501-526, DOI: 10.24349/acarologia/20214447, URL: http://dx.doi.org/10.24349/acarologia/20214447
2A42956D7A090833FE50FDFEFDE2C797.taxon	diagnosis	Diagnosis — Female: Elongated dorsal shield, holotrichous, bearing 27 pairs of setae, all setae long and subequal, except j 2, z 2, s 1 – s 2 small (and J 5 minute). Unarmed dorsum with approximately 84 pairs of long setae and ventral opisthosoma with approximately 48 pairs of setae ; peritrema long, extending from level of anterior margin of coxae II to the middle of coxae IV ; palpal trochanter with a small blade-like ventral process. Male: anterior margin of the dorsal shield not discernible from the soft cuticle ; with neotrichous condition on opisthonotal region ; a pair of additional minute setae, laterally to J 4 and J 5, on neotrichous area of opisthonotal region. Four pairs of caudal setae on unarmed dorsum and four pairs of setae on unarmed venter. Protonymph: Subrectangular podonotal shield with lateral borders biconcave at level of z 2 and z 4, posterior region almost square ; with j 2 very close to j 1. Trapezoidal pygidial shield with J 4 and Z 4 small than others (except J 5 minute). Unarmed dorsum with 12 pairs of long setae. Unarmed venter with four pairs of median setae between ventral shields and a pair of caudal setae, without setae flanking the anus.	en	Gomes-Almeida, Brenda K., Pepato, Almir R. (2021): A new genus and new species of macronyssid mite (Mesostigmata: Gamasina: Macronyssidae) from Brazilian caves including molecular data and key for genera occurring in Brazil. Acarologia 61 (3): 501-526, DOI: 10.24349/acarologia/20214447, URL: http://dx.doi.org/10.24349/acarologia/20214447
2A42956D7A090833FE50FDFEFDE2C797.taxon	description	Description. Female — Measurements summarized in table 4. (Figures 2 – 4) Idiosoma — (Figures 2 A – B). Oval, moderately sclerotized and striated integument ; all setae smooth. Dorsum (Figure 2 A). Dorsal shield entire, elongated, longer than wide, and narrow, even at its widest, distinctly tapered in the middle of opisthonotal region ; reticulated sculpture on all its area ; holotrichous condition with 27 pairs of setae, 16 on podonotum and 11 on opisthonotum ; j and J series complete with j 1, j 2 and j 3 on dorsal shield ; all setae long and subequal except j 2, z 2, s 1 – s 2 small and J 5 as microsetae (Figure 3 A) ; one pair of lyrifissures near on margin lateral to setae j 1 and four pair of pores on margin lateral to setae j 3 and J 4 and near s 4 and z 6. Unarmed dorsum with approximately 84 pairs of long setae. Venter (Figure 2 B). Tritosternal base not expanded ; Tritosternum bipartite with long and fimbriate laciniae (Figure 3 B). Presternal area is weakly sculptured. Sternal shield nearly square, anterior margin with a small medial prominence ; strongly sclerotized and punctate, except for a smoother X-shaped portion on central sternal shield (Figure 3 C) ; anterior and posterior corners absent ; three pairs of sternal setae relatively long, st 1 and st 2 on the sclerotized part and st 3 inserted on X-shaped region on shield ; two pairs of sternal pores. Metasternal setae (st 4) on unarmed integument with third pair of pores accompanying metasternal setae. Epigynal shield expanded anteriorly, median projection extends under the sternal shield, no anterior scale-like markings ; posterior margin pointed (Figure 3 C) ; one pair of genital setae, approximately at the middle of epigynial plate. Anal plate pyriform ; long and narrow cribrum ; one pair of adanal setae (pan) and one postanal seta (pon) (Figure 3 D). Endopodal plates small and triangular between level of coxae II and III. Opisthosoma with approximately 48 pairs of setae ventrally, slender, except caudal setae, being thicker, similar to the setae on unarmed dorsum. Peritreme long, extending from anterior margin of coxae II to the middle of coxae IV (Figure 2 B). Peritrematic shield free from dorsal shield but interrupted by two “ nodules ” on the anterior dorsum between coxae I and II and in the middle ventral between coxae II and III (Figure 2 A – B). Peritrematic shield posterior to the stigma fused with the parapodal shield around the posterior margin of coxa IV (Figure 2 B).	en	Gomes-Almeida, Brenda K., Pepato, Almir R. (2021): A new genus and new species of macronyssid mite (Mesostigmata: Gamasina: Macronyssidae) from Brazilian caves including molecular data and key for genera occurring in Brazil. Acarologia 61 (3): 501-526, DOI: 10.24349/acarologia/20214447, URL: http://dx.doi.org/10.24349/acarologia/20214447
