Apsilocera marina Tselikh, Lee & Ku 2024, sp. nov.

Apsilocera marina Tselikh, Lee & Ku sp. nov. Figs 64–72 Type material. Holotype • female, Republic of Korea: “ Jeollanam-do, Goheung-gun, Bongnae-myeon, Oenarodo, Malaise trap, 16–29.VIII.2020, coll. D. S. Ku, J. H. Lee ” (NIBR). Paratype • 1 female, “ Jeju-do, Jeju-si, Hanllim-eup, Geumak-ri, 16.VI–14.VII.2021, Malaise trap, coll. Y. H. Park, M. H. Kim, D. H. Park, J. Y. Kim ” (ZISP). Description. Female. Body length 1.30–1.35 mm; fore wing length 1.40–1.45 mm. Coloration. Head black in dorsal view and dark blue in frontal view; antenna with scape yellowish brown; pedicel, anelli, F 1 – F 6, and clava brown. Mesosoma black, but propodeum dorsally dark blue-green with metallic diffuse luster; fore and hind coxa black with metallic diffuse violet luster, mid coxae yellowish brown, all femora yellowish brown, all tibiae and tarsi yellow. Fore wing hyaline, venation yellowish brown. Metasoma dark brown with metallic green, diffuse coppery luster, laterally and ventrally brown; ovipositor sheaths dark brown. Sculpture. Head finely reticulate; clypeus radially striate. Mesosoma reticulate; propodeum alutaceous. Metasoma smooth and shiny. Head. Head in dorsal view 2.36–2.43 × as broad as long and 1.31–1.34 × as broad as mesoscutum; in frontal view 1.36–1.38 × as broad as high. Vertex with a row of teeth originating near eye and ending near posterior ocellus. POL 1.20–1.33 × as long as OOL. Eye height 1.31–1.35 × eye length and 1.60–1.67 × as long as malar space. Distance between antennal toruli and lower margin of clypeus 3.68–3.70 × distance between antennal toruli and median ocellus. Antenna with scape 1.00 × as long as eye height and 1.30–1.33 × as long as eye length; pedicel 1.48–1.50 × as long as broad; combined length of pedicel and flagellum 1.00 × breadth of head; F 1 – F 6 longer than broad, with single row of sensilla; clava 2.60–2.85 × as long as broad, with small micropilose area on each C 3 and C 4. Clypeal margin with two teeth. Mandible formula 4: 4. Mesosoma. Mesosoma 1.24–1.26 × as long as broad. Scutellum arched, 0.86–0.88 × as long as broad, frenal area indistinct. Propodeum 0.44 × as long as scutellum; nucha short. Fore wing 2.10–2.22 × as long as its maximum width; basal cell with two or three hairs; basal vein pilose; speculum partly open; M 0.85–0.87 × as long as PM and 1.80–1.86 × as long as S; stigma moderate enlarged. Metasoma. Metasoma 1.03–1.20 × as long as broad, 0.82–0.88 × as long as mesosoma. Petiole strongly transverse. Ovipositor sheath projecting slightly beyond apex of metasoma. Male. Unknown. Etymology. The species is named in honor of the senior author’s sister, Marina (Tselikh) Kopylova. Distribution. Korean Peninsula. Comments. Apsilocera marina sp. nov. belongs to a group of species that have a vertex with a row of teeth originating near eye and ending near posterior ocellus. This species is very similar to A. tuberculata Mitroiu & Achterberg; the differences between these species are given in the key.