Apsilocera verticillata Boucek 1956

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.