Soliga ecarinata, Ranjith & Priyadarsanan, 2022

Ranjith, A. P. & Priyadarsanan, Dharma Rajan, 2022, A new Darwin wasp genus, Soliga (Hymenoptera: Ichneumonidae: Metopiinae), from India, European Journal of Taxonomy 852 (1), pp. 57-76 : 69-72

Soliga ecarinata gen. et sp. nov.

urn:lsid:zoobank.org:act:77A6FF3E-CB0A-4059-858B-0B02765DFDC3

Figs 14a–c , 17–21

Etymology

The new species is named accordingly, denoting the absence of propodeal carinae, and carinae on metasomal tergites.

Material examined

Holotype INDIA • ♀; Karnataka, Chamarajanagar, Biligiri Ranga Hill Wild Life Sanctuary; 12°00.345′ N, 77°07.526′ E; 976 m a.s.l.; 20 Oct.–21 Nov. 2005; D.R. Priyadarsanan leg.; Malaise trap; dry deciduous forest; AIMB.

Paratypes INDIA – Nagaland • 1 ♀; Phek, Zapami Village , 25°53.3933′ N, 94°24.4991′ E; 18–21 Mar. 2021; A.P. Ranjith leg.; Malaise trap; AIMB . – Karnataka • 2 ♀♀; same collection data as for holotype; AIMB • 1 ♀, 1 ♂; Chamarajanagar, Biligiri Ranga Hill Wild Life Sanctuary, Gombekallu ; 11°54.363′ N, 77°11.235′ E; 3 Apr.–16 May 2005; D.R. Priyadarsanan leg.; Malaise trap; evergreen forests; AIMB .

Description

Female (holotype)

MEASUREMENTS. Body length 4.0 mm, fore wing length 3.0 mm.

HEAD. Head 1.3× as wide as long in anterior view, 1.6× as wide as long in dorsal view. Face 1.1 × as long as wide. Face and clypeus not separated by transverse groove ( Fig. 17b ). Clypeus 2.2× as wide as long, sparsely setose ( Fig. 17b ). Mandible sparsely setose ( Figs 17b , 18a ). Malar groove incomplete ( Figs 17b , 18a , 19a ). Maxillary and labial palps short and stout ( Fig. 18a ). Temple 0.75 × as long as transverse diameter of eye in lateral view. Frons and vertex smooth, sparsely setose ( Fig. 17c ). Ratio of OOL: diameter of posterior ocellus: POL = 11: 11: 12. Antenna with 29 flagellomeres ( Fig. 17a ). First flagellomere 1.4× as long as second, 2.0 × as long as wide. Second flagellomere 1.4× as long as wide. Terminal flagellomere 3.0× as long as wide.

MESOSOMA. Mesosoma 1.5× as long as high. Pronotum medio-dorsally smooth ( Fig. 17f ), glabrous, laterally concave ( Fig. 17a, d–e ). Mesoscutum as long as wide, smooth, sparsely setose ( Fig. 17f ). Scutellum 0.7 × as long as wide basally, smooth, sparsely setose ( Fig. 17f ). Propodeum smooth, sparsely setose ( Fig. 18b ). Mesopleuron smooth, sparsely setose ( Figs 17a, d–e , 19a ). Metapleuron smooth mostly glabrous ( Fig. 17d ). Pleural carina bend downwards bordering anterior transverse groove ( Figs 17a, d–e , 19a ).

METASOMA. Metasomal tergites smooth and polished, distantly punctate, sparsely setose ( Figs 17a , 18e–f ). First metasomal tergite 1.1× as long as apical width. Second metasomal tergite 0.7× as long as apically wide. Third metasomal tergite 0.6× as long as apically wide. Subgenital plate smooth, setose ( Figs 18e , 19b ). Ovipositor sheath setose ( Fig. 18e ).

COLOUR. Body (generally) yellow, eye grey; flagellomeres, scape and pedicel laterally, tip of mandible, pterostigma, wing venation, tarsal claws, metasomal sternites, laterotergites, ovipositor sheath brown; ocellar region, occiput laterally and medially with black patches; pronotum dorsally with black transverse band; mesoscutum with medial and lateral longitudinal black bands, with black margin laterally and anteriorly; scutoscutellar groove black; mesopleuron with black band anteriorly and medio-posteriorly; metapleuron with black band anteriorly; propodeum with black transverse band basally and broad longitudinal band medially; first and second metasomal tergites black except apical yellowish band, third metasomal tergite with a pair of sublateral broad spots basally, fourth metasomal tergite with black spots baso-laterally, fifth and sixth metasomal tergites with black spots baso-laterally; first and second metasomal tergite apically, metasomal tergites 3–6 except baso-laterally reddish brown.

Male

Same as female.

Biology

Unknown.

Distribution

India (Karnataka and Nagaland).

Figures

Fig. 14. a–c. Soliga ecarinata gen. et sp. nov. a. Propodeum, dorsal view. b. Metasomal tergites 1–2, dorsal view. c. Mesosoma, lateral view. d–f. Triclistus sp. d. Propodeum, dorsal view. e. Metasomal tergites 1–2, dorsal view. f. Mesosoma, lateral view. Arrow in Fig. 14a points to the absence of propodeal carinae (compared to the presence of propodeal carinae in Fig. 14d). Arrow in Fig. 14b points to the absence of dorsal carinae on first metasomal tergite (compared to the presence of dorsal carinae on first metasomal tergite in Fig. 14e). Arrow in Fig. 14c points to the incomplete epicnemial carina (compared to the complete epicnemial carina in Fig. 14f).

Fig. 17. Soliga ecarinata gen. et sp. nov., holotype, ♀ (AIMB). a. Habitus, lateral view. b. Head, anterior view. c. Head, dorsal view. d. Head and mesosoma, oblique view. e. Head and mesosoma, lateral view. f. Mesosoma, dorsal view.

Fig. 18. Soliga ecarinata gen. et sp. nov., holotype, ♀ (AIMB). a. Head and mesosoma, ventral view. b. Propodeum, dorsal view. c. Fore and mid legs. d. Fore wing. e. Metasoma, lateral view. f. Metasoma, dorsal view.

Fig. 19. Soliga ecarinatagen. et sp. nov., holotype, ♀ (AIMB). a. Head, ventro-lateral view.b. Metasoma, ventral view.

Fig. 20. Soliga ecarinata gen. et sp. nov., paratype, ♂(AIMB). a. Genitalia, dorsal view. b. Genitalia, ventral view.

Fig. 21. Collection localities of Soliga ecarinata gen. et sp. nov.