Chrysura filidichroa Rosa & Baiocchi, 2024

Rosa, Paolo, Farhad, Afrouz, Talebi, Ali Asghar, Ameri, Ali, Baiocchi, Daniele, Halada, Marek & Rakhshani, Ehsan, 2024, The Iranian Chrysididae (Hymenoptera), the current state of the art, with an updated checklist and description of eleven new species, Journal of Insect Biodiversity and Systematics 10 (4), pp. 827-951 : 912-913

Chrysura filidichroa Rosa & Baiocchi , sp. nov. ( Figs 16F, 16G, 36A–F, 37A–F)

https://zoobank.org/ urn:lsid:zoobank.org:act:13DDCFC7-C85F-4B9D-A638-B7CB5F66EBFC

Material examined. Holotype ♂; IRAN, Kohgiluyeh and Buyer Ahmad province : Sisaht env., 2400m, Dena Nat. Reserve, 30°52'46''N, 51°25'12''E, 14.–16.v.2013, leg. D. Baiocchi ( MSNM) . Paratypes: 1♂, same locality and dates of holotype ( PRC) ; 7♀♀, Kerman province : S of Deh Bakri, 29°01'08''N, 57°56'09''E, 26.–27.v.2012, leg. D. Baiocchi ( DBC, PRC) ; 1♀, ( Fārs ) W Sarvestān , (40 Km NW Fasā) 1860m, Kūh- e Mian Jangal, 29°10'12''N, 53°22'50''E, 7. V.2016 D.Baiocchi leg. ( DBC) ; 2♂♂, ( SSE Yasuj ) 2390m, (Būyer Ahmad- o-Kūhgīlūye), NE of Malashoreh pass, 30°29'24"N, 51°39'29"E, 10-13. V.2016 Baiocchi leg. ( DBC) ; 9♂♂, Fars province : 20 km SE of Yasuj, 30°29'24"N, 51°39'28.8"E, 2390m, 4.v.2016, leg. M.Kafka ( MHC) ; 1♂, 2♀♀, Fars province : S of Dasht Arjan, 29°33'7.2"N, 51°56'31.2"E, 2050m, 4.v.2016, leg. M. Kafka ( MHC) ; 1♀, Fars province : 50km W of Shiraz, 12km S Dasht Arjan, 29°33'25.2"N, 51°56'45.6"E, 2250m, 15.v.2019, leg. O. Šauša ( MHC) .

Diagnosis. Chrysura filidichroa sp. nov. belongs to the dichroa group for: typical habitus, male antennae gibbous ventrally, and shape of genital capsule. The only species similar to C. filidichroa sp. nov. is C. izadiae Strumia & Fallahzadeh, 2016 , but the male of C. filidichroa can be easily separated by the unique shape of genital capsule ( Figs 16F, 16G), with upper part of gonocoxa with straight transverse margin and wide apex; this shape of the the genital capsule separates C. filidichroa also from other species in the group (compare images of genital capsules in Arens, 2001 and Strumia et al., 2016a); it is also separated from C. izadiae by the shape of propodeum with parallel sides (vs. concave laterally, with prominent humeral angles in C. izadiae ); habitus narrow and elongate (vs. unmodified in C. izadiae ); apical margin of third tergum continuous (vs. slightly concave). Comparison with the female of C. izadiae is not appropriate, because we consider the sex association proposed by Strumia et al. (2016a) unreliable, being the female closely related to other species of the dichroa group with body colour altered post mortem; moreover, the unmodified pronotum and the general habitus do not fit the description of the holotype male. C. filidichroa sp. nov. male and female can be separated from all the other species species of the dichroa group by body green colour, replacing the typical red one in members of this group; slender habitus ( Figs 36A, 37A), and elongate malar spaces (2× MOD).

Description. Holotype ♂ ( Figs 16F, 16G, 36A–F). Body length 6.5 mm (paratypes 5.5-7.5 mm), anterior wing length 3.5 mm ( Fig. 36A). Green, golden-green to golden-red.

Head. Brow, ocellar area and vertex with dense, contiguous and small punctures (0.2–0.4× MOD) continuing between scapal basin and eye and on malar space; punctures spaced between posterior ocelli and compound eye and on temples; posterior ocellus with lateral narrow fovea as long as ocellus; face typically flat; scapal basin with small, spaced punctures medially becoming denser and deeper laterally ( Fig. 36B); genal carina sharp, from mid eye to mandibular insertion; subantennal space 1.0× MOD; apex of clypeus bordered by wide (0.6× MOD long) dark brown rim. Clypeus punctate, with punctures similar to those on scapal basin medially. Distance between anterior ocellus and clypeus = 5.7× MOD. OOL 1.6× MOD; POL 1.7× MOD; MS 2.0× MOD; relative length of P:F1:F2:F3 = 1.0:2.0:1.0:0.9.

Mesosoma . Medial pronotal furrow relatively wide and shallow ( Fig. 36C), reaching half pronotal length; pronotum with small to medium sized punctures (0.2–0.5× MOD), irregularly shaped, contiguous and with dots in between; punctation on mesoscutum similar, without interspaces; on scutellum shallower, with some polished interspaces between punctures; notauli formed by relatively shallow, metallic, sub-rectangular foveae, narrow, as long as larger punctures on mesonotum, but as wide as the smallest; parapsidal signum deep and distinct; scutellar-metanotal suture formed by shallow, irregular punctures, with large, shallow median fovea; metanotum with deep and contiguous punctures; posterior propodeal projections slightly divergent and concave at sides; mesopleuron with episternal sulcus formed by relatively small, shallow, transversal foveae, larger than other punctures on segment ( Fig. 36D).

Metasoma. First tergum with even, small sized punctures, equally spaced; smaller and denser dorsally, at sides of median line, which is formed by rows of small dots ( Fig. 36E); punctures laterally with larger interspaces; on second tergum with similar punctures, denser antero-dorsally, and becoming smaller and sparser towards apical margin; longitudinal median carina faint; third tergum with small, even punctures; pits of pit row small, shallow, black, only slightly larger than other punctures on tergum; apical margin continuous, bordered by a thin hyaline rim; black spots on second sternum relatively large, subrectangular, covering less half of sternum length, medially separated by 2× MOD; spot margin straight ( Fig. 36F).

Female (Paratype). Body length 6.5–6.8 mm, anterior wing length 3.6 mm ( Fig. 37A).

Head. Colour pattern, vestiture and sculpture as in male, less punctate on scapal basin; structure as in male for clypeus, mandibles, malar space (2× MOD), subantennal space, relative length of P:F1:F2:F3 = 1.0:2.0:1.0:0.8, and pilosity; however, female head is different for larger distance between anterior ocellus and clypeus (5.7× MOD), OOL 1.7× MOD, POL = 1.9× MOD, and general aspect narrower and elongate ( Fig. 37A) with l/w = 0.85 vs. l/w = 0.77 in male.

Mesosoma and metasoma Colour pattern, vestiture and sculpture as in male.

Colouration. Male and female with body light green, green-blue to bluish on metanotum and metapostnotum; mandible basally, scape, pedicel, first and second flagellum metallic, the rest of flagellum blackish; tegulae green metallic; wings hyaline, with brown veins.

Vestiture. Head and mesosoma dorsally with short (1.0 to 1.5× MOD), whitish setae; on metasoma dorsally with shorter setae, laterally with longer (1.5 to 2.0× MOD), erect and white setae; legs with short (1× MOD), erect setae on outer side.

Etymology. The specific epithet filidichroa derives from Latin filus (thread) and dichroa , the species-group to which the taxon belongs to. It is related to the slender habitus of this species, similar to the slender body of Chrysura filiformis ( Mocsáry, 1889) , which is a species distinctly smaller (4–5 mm), with the typical body colour pattern of C. dichroa .

Distribution. * Iran (Fars, Kerman, Kohgiluyeh and Buyer Ahmad).