Acroclisoides quintus Xiao & Huang, 2000

Tselikh, Ekaterina V., Mitroiu, Mircea-Dan, Lee, Jaehyeon, Dale-Skey, Natalie & Ku, Deok-Seo, 2025, Revision of Acroclisoides Girault & Dodd, 1915 (Chalcidoidea, Pteromalidae, Metasteninae), ZooKeys 1257, pp. 153-214 : 153-214

Acroclisoides quintus Xiao & Huang, 2000

Figs 113–119

Acroclisoides quintus Xiao & Huang, 2000: 95–96, 98–99. Holotype female ( IZAS, examined).

Type material.

Holotype • female, China, “ 25. vi. 1980 FUJIAN: Daoshui ”, “ leg. X. F. Zhao ”, “ Acroclisoides quintus Xiao & Huang, 2000 det. Xiao Hui 1998 ”, “ Holotype ”, “ IOZ (E) 1221888 ” ( IZAS).

Description.

Female. Body length 2.00 mm; fore wing length 1.75 mm.

Coloration. Head and mesosoma dorsally dark blue with diffuse metallic green luster; head frontally green with diffuse metallic coppery luster; antenna with scape, pedicel and anelli yellowish brown, F 1 – F 3 and F 6 yellow, F 4 – F 5 brown, clava C 1 – C 2 brown, C 3 – C 4 yellow. All coxae yellowish brown, all femora, tibiae and tarsi yellow. Fore wing hyaline, venation brown. Metasoma dorsally brown with metallic violet luster; ovipositor sheaths brown.

Sculpture. Head, mesosoma and clypeus reticulate; scutellum reticulate, but frenal area smooth and shiny; propodeum reticulate, nucha smooth and shiny; petiole smooth; metasoma smooth and shiny.

Head. Head in dorsal view 2.46 × as broad as long and 1.49 × as broad as mesoscutum; in frontal view 1.60 × as broad as high. POL 0.63 × as long as OOL. Eye height 1.11 × eye length and 2.50 × malar space. Distance between antennal toruli and lower margin of clypeus 3.25 × distance between antennal toruli and median ocellus. Antenna with scape 1.10 × as long as eye height and 1.22 × as long as eye length; pedicel 1.15 × as long as broad; combined length of pedicel and flagellum 0.93 × breadth of head; F 1 – F 6 longer than broad, F 1 1.54 × as long as broad and with 1 row of sensilla; clava 2.66 × as long as broad, with small microsetose area on C 3 and C 4. Lower posterior corner of gena rounded. Lower margin of clypeus not concave bilaterally, in middle part straight.

Mesosoma. Mesosoma 1.16 × as long as broad. Scutellum moderately arched, 0.83 × as long as broad, frenal area differentiated by a change in sculpture. Propodeum 0.68 × as long as scutellum, without costula but with median carina, nucha not small. Fore wing 2.13 × as long as its maximum width; basal cell partly setose, basal vein setose; speculum closed below; M 0.68 × as long as PM and 1.15 × as long as S, stigma not large.

Metasoma. Metasoma 2.06 × as long as broad, 1.32 × as long as mesosoma, 0.90 × as long as mesosoma and head. Petiole 0.92 × as long as broad. Ovipositor sheaths projecting slightly beyond apex of metasoma.

Male. Unknown.

Biology.

Unknown.

Distribution.

China ( Xiao and Huang 2000).

Comments.

Acroclisoides quintus Xiao & Huang belongs to a group of species that have a hyaline fore wing, but this species is easily distinguished from the others by the yellow F 1 – F 3 (Fig. 115 ) and smooth frenal area of scutellum (Figs 114 , 119 ).

Figures

Figures 113–119. Acroclisoides quintus Xiao & Huang, 2000, female, holotype. 113. Habitus, lateral view; 114. Mesosoma and propodeum, dorsal view; 115. Antenna; 116. Head, frontal view; 117. Fore wing; 118. Habitus, dorsal view; 119. Head, mesosoma and propodeum, dorsal view.