Apsilocera eleganta Tselikh, Haas & Ku, 2024

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 eleganta Tselikh, Haas & Ku sp. nov.

Figs 32–39

Type material.

Holotype • female, Republic of Korea: “ Gyeonggi-do, Pocheon-si, Soheul-eup, Jikdong-ri , Malaise trap, 30.X.2009, coll. S. Y. Park ” ( NIBR) . Paratypes • 1 female ( NHRS-HEVA 000022836 ), “ Sweden Öl, Mörbylånga kommun, Västerstads almlunds naturreservat ., Old elm forest (3002 Trap ID, 3053 Event ID), 10.VI–9.VII.2014, Malaise trap, 56.427648N, 16.421110E, leg. Swedish Malaise Trap Project ”, Sample ID: SMNS_50686 ( NRM) • 1 female ( SMNS_Hym_T 00802 ), “ Sweden Sm, Nybro kommun, Alsterbro / Alsterån , Mixed forest (1008 Trap ID, 2000 Event ID), 5.IX–13.X.2006, Malaise trap, 56.936536N, 15.920167E, leg. Swedish Malaise Trap Project ”, Sample ID: SMNS_115563 ( SMNS) ; • 1 female ( NHRS-HEVA 000022837 ), “ Sweden Sm, Nybro kommun, Alsterbro / Alsterån , Mixed forest (1008 Trap ID, 1746 Event ID), 8.VIII–19.VIII.2006, Malaise trap, 56.936536N, 15.920167E, leg. Swedish Malaise Trap Project ” ( NRM) .

Description.

Female. Body length 1.60–2.82 mm; fore wing length 1.65–2.11 mm.

Coloration. Head black; antenna yellowish brown. Mesosoma black, but propodeum dorsally dark blue with metallic diffuse luster; all coxae basally metallic blue, apically yellowish brown; all femora, tibiae and tarsi yellowish brown. Fore wing hyaline, venation yellowish brown. Metasoma dorsally brown, laterally and ventrally yellowish brown; ovipositor sheaths yellowish brown.

Sculpture. Head reticulate; clypeus radially striate, but near clypeal margin smooth. Mesosoma reticulate; propodeum alutaceous. Metasoma weakly alutaceous and shiny.

Head. Head in dorsal view 2.43–2.65 × as broad as long and 1.27–1.32 × as broad as mesoscutum; in frontal view 1.49–1.58 × as broad as high. Vertex with regular sculpture. POL 1.14–1.19 × as long as OOL. Eye height 1.37–1.40 × eye length and 1.76–2.00 × as long as malar space. Distance between antennal toruli and lower margin of clypeus 2.50–2.61 × distance between antennal toruli and median ocellus. Antenna with scape 0.92–0.95 × as long as eye height and 1.28–1.31 × as long as eye length; pedicel 1.50–1.66 × as long as broad; combined length of pedicel and flagellum 0.94–0.98 × breadth of head; F 1, F 2 longer than broad, F 3 – F 6 subquadrate, with single row of sensilla; clava 2.85–3.18 × as long as broad, with small micropilose area on each C 3 and C 4. Clypeal margin produced and emarginate medially. Mandible formula 4: 4.

Mesosoma. Mesosoma 1.23–1.34 × as long as broad. Scutellum moderately depressed, 0.78 × as long as broad, frenal area indistinct. Propodeum 0.37–0.43 × as long as scutellum. Fore wing 1.94–2.01 × as long as its maximum width; basal cell with several hairs; basal vein pilose; speculum partly closed below; M 0.72–0.89 × as long as PM and 1.73–2.06 × as long as S; stigma small.

Metasoma. Metasoma 1.19–1.50 × as long as broad and 1.05–1.20 × as long as mesosoma.

Male. Unknown.

Etymology.

From the Latin elegans, referring to the elegant habitus of this species.

Distribution.

Korean Peninsula, Sweden.

Comments.

Apsilocera eleganta sp. nov. belongs to a group of species that have a vertex with regular sculpture. This species is very similar to A. bramleyi and A. triapitzini sp. nov.; the differences between these species are given in the key.

Figures

Figures 32–39. Apsilocera eleganta sp. nov., female, holotype 32 habitus, lateral view 33 mesosoma, dorsal view 34 antenna 35 clypeus 36 head, frontal view 37 head and pronotum, dorsal view 38 fore wing 39 metasoma, dorsal view.