Apsilocera verticillata Bouček, 1956

Tselikh, Ekaterina V., Lee, Jaehyeon, Haas, Michael, Mitroiu, Mircea-Dan & Ku, Deok-Seo, 2024, Review of the Palaearctic species of Apsilocera Bouček, 1956 (Chalcidoidea, Pteromalidae), with descriptions of the eight new species, ZooKeys 1215, pp. 259-288 : 259-288

Apsilocera verticillata Bouček, 1956

Figs 89–96 , 97

Apsilocera verticillata Bouček, 1956: 319. Holotype male ( NMPC, examined).

Type material.

Holotype • male, Slovakia: “ Slov. mer.: Gbelce 29.7. 55 Bouček ”, “ Holotypus ”, “ Mus. Nat. Pragae Inv. 3086 ”, “ Apsilocera verticillata ♂ Bčk. Det Z. Bouček, 1955 ” ( RMNH).

Additional material examined.

Japan • 1 female, 1 male, “ Chiba Pref., Ichinomiya-Machi , 25.X.2002, coll. K. Kubo ” ( EIHU) . Russia • 1 female, “ Primorskii Reg., Spassk-Dal’niy Vill ., 2–4.VII.2011, coll. S. Belokobylskij ” ( ZISP) . Republic of Korea • 1 female, “ Gyeongsangnam-do, Namhae-gun, Sangiu-myeon, Sangiu-ri , 13.VIII.2022, coll. D. S Ku, J. H. Lee, H. J. Jeong ” ( NIBR) • 1 female, “ Gyeongsangnam-do, Geochang-gun, Namsang-myeon, Jeoncheok-ri , 35°37'15.3"N, 127°57'51.4"E, 22.VI.2023, coll. S. Belokobylskij ” ( ZISP) • 5 females, “ Gyeongsangbuk-do, JuWangSan-myeon, Cheongsong-gun, JuWangSan SW , 21.IV.2023, 3.V.2023, 31.V.2023, 18.VII.2023, coll. J. H. Lee ( SMNE) .

Description.

Female. Body length 1.18–1.25 mm; fore wing length 0.98–1.05 mm.

Coloration. Head black; antenna with scape, pedicel, anelli, and F 1 – F 6 yellowish brown, clava brow. Mesosoma black, but propodeum dorsally dark blue-green with metallic diffuse luster. All coxae yellowish brown; all femora, tibiae and tarsi yellow. Fore wing hyaline, venation yellowish brown. Metasoma dorsally brown, laterally and ventrally yellowish brown; ovipositor sheaths yellowish brown.

Sculpture. Head reticulate; clypeus radially striate. Mesosoma reticulate; propodeum smooth and shiny. Metasoma smooth and shiny, but Mt 7 weakly alutaceous and shiny.

Head. Head in dorsal view 2.55–2.60 × as broad as long and 1.37–1.49 × as broad as mesoscutum; in frontal view 1.48–1.50 × as broad as high. Vertex with regular sculpture. POL 1.20–1.30 × as long as OOL. Eye height 1.34–1.36 × eye length and 2.10–2.36 × as long as malar space. Distance between antennal toruli and lower margin of clypeus 1.98–2.00 × distance between antennal toruli and median ocellus. Antenna with scape 0.90–0.95 × as long as eye height and 1.29–1.32 × as long as eye length; pedicel 1.40–1.46 × as long as broad; combined length of pedicel and flagellum 0.90–0.92 × breadth of head; F 1 – F 6 longer than broad with a row of sensilla; clava 2.89–3.30 × as long as broad, with small micropilose area on each C 3 and C 4. Clypeal with one small tooth. Mandible formula 3: 4.

Mesosoma. Mesosoma 1.30–1.32 × as long as broad. Scutellum moderately depressed, 0.70–0.73 × as long as broad, frenal area indistinct. Propodeum 0.51–0.54 × as long as scutellum. Fore wing 2.07–2.12 × as long as its maximum width; basal cell bare; basal vein pilose; speculum partly closed below; M 1.03–1.17 × as long as PM and 2.10–2.20 × as long as S, stigma small.

Metasoma. Metasoma 1.41–1.43 × as long as broad and 1.00–1.04 × as long as mesosoma. Petiole strongly transverse. Ovipositor sheath projecting slightly beyond apex of metasoma.

Male. Body length 1.25–1.30 mm; fore wing length 1.10–1.15 mm. Head in dorsal view 2.30–2.35 × as broad as long. POL 1.40–1.55 × as long as OOL. Combined length of pedicel and flagellum 1.30–1.35 × breadth of head. Metasoma 1.65–1.73 × as long as broad. Otherwise, similar to female.

Distribution.

Czech Republic, Japan, Moldova, Netherlands, Republic of Korea, Russia, Slovakia, Sweden.

Comments.

Apsilocera verticillata Bouček belongs to a group of species that have a vertex with regular sculpture. This species is very similar to A. maculata Mitroiu & Achterberg ; the differences between these species are given in the key.

Figures

Figures 89–96. Apsilocera verticillata Bouček, 1956, female, not type 89 habitus, lateral view 90 mesosoma, dorsal view 91 clypeus and mandible 92 antenna 93 head and pronotum, dorsal view 94 head, frontal view 95 fore wing 96 metasoma, dorsal view.

Figures 97–106. 97 Apsilocera verticillata Bouček, 1956, male, holotype habitus, lateral view 98 Apsilocera triapitzini sp. nov., male, paratype habitus, dorsal view 99, 100 Apsilocera acuticristata Mitroiu & Achterberg, 2013, female, holotype 99 habitus, lateral view 100 head, frontal view 101, 102 Apsilocera bicristata Mitroiu & Achterberg, 2013, female, holotype 101 head, frontal view 102 habitus, lateral view 103, 104 Apsilocera maculata Mitroiu & Achterberg, 2013, female, holotype 103 head, frontal view 104 habitus, lateral view 105, 106 Apsilocera tuberculata Mitroiu & Achterberg, 2013, female, holotype 105 head, frontal view 106 habitus, lateral view.