Gelanes verendus Kim & Lee

Kim, Ki-Beom, Balueva, Ekaterina N., Khalaim, Andrei I. & Lee, Jong-Wook, 2013, The genus Gelanes Horstmann (Hymenoptera: Ichneumonidae: Tersilochinae) from South Korea, with description of four new species, Zootaxa 3716 (3), pp. 417-430 : 428-429

Gelanes verendus Kim & Lee , sp. nov.

(Figs 1, 19, 42–44)

Description. Female (holotype).

Body length 2.9 mm. Fore wing length 2.4 mm ( Fig. 42 ).

Color: head and mesosoma dark brown to black, metasoma dark brown. Palpi, mandible (teeth reddish black) and clypeus (slightly brownish on apical 0.2) yellow. Antenna more or less uniformly dark brown. Tegula and legs brownish, except coxae dark brown. Pterostigma brown.

Morphology. Head: in dorsal view, roundly narrowed behind eyes; temple 0.7 times as long as eye width. Upper tooth of mandible as long as lower tooth. Clypeus flat in lower 0.7–0.8, smooth, with very fine punctures in upper 0.2–0.3. Malar space 1.0–1.2 times as long as basal width of mandible. Flagellum of antenna with 14–17 flagellomeres (15 flagellomeres in holotype), distinctly clavate at apex (Fig. 1). second flagellomere smaller than flagellomeres 1 and 3, subapical flagellomere square or slightly transverse. Face and frons very finely granulate, impunctate, dull. Temple smooth and shining, without distinct punctures. Hypostomal carina absent, surface smooth.

Mesosoma : notaulus weak or absent. Mesoscutum very finely (sometimes indistinctly) punctate on more or less smooth background. Foveate groove of mesopleuron weak, moderately broad, with fine transverse wrinkles. Mesopleuron smooth, impunctate or with very indistinct punctures. Basal area of propodeum wide, rectangular, about 1.5 times as long as broad (sometimes indistinct), 0.6 times as long as apical area. Dorsolateral area smooth, very indistinctly punctate. Propodeal spiracle small, distance between spiracle and pleural carina equal to 0.5–1.5 diameters of spiracle ( Fig. 44 ). Apical area flat, uneven. Apical longitudinal carinae complete, reaching transverse carina anteriorly.

Wings: fore wing with second recurrent vein postfurcal, unpigmented in anterior 0.6–0.8. Intercubitus moderately thick, usually somewhat longer than abscissa of cubitus between intercubitus and second recurrent vein. First abscissa of radius about as long as width of pterostigma. Metacarp far short apex of fore wing ( Fig. 42 ). Postnervulus intercepted far below middle. Hind wing with nervellus vertical or slightly reclivous.

Metasoma: first tergite almost twice as long as posteriorly broad, depressed, with moderately large glymma before its middle, dorsally smooth, petiole distinctly striate laterally before glymma. Second tergite slightly transverse, 0.9 times as long as anteriorly broad. Thyridial depression very short, strongly transverse. Ovipositor slender, usually more or less in basal 0.9, with apex stronger upcurved, with very shallow dorsal depression and very small notch before this depression (Fig. 19); sheath about 2.7 times as long as first tergite and about 2.2 times as long as hind tibia.

Male. Unknown.

Material examined. [Holotype] South Korea: 1♀, [GB] Cheongdo-gun, Unmum-myeon, Mt. Unmun, Malaise trap, 35º38’19"N, 128º57’40"E, 26.IV–10.V.2008, J.W. Lee; [Paratypes] South Korea: 1♀, [GG] Yangpyeong-gun Okcheon-myeon Mt.Yongmunsan, 324m, Malaise trap, 37º31’49.5"N 127º34’189.8"E, 18– 31.IV.2009, J.O. Lim; 1♀, Yangpyeong-gun Okcheon-myeon Mt.Yongmunsan, 324m, Malaise trap, 37º31’49.5"N 127º34’189.8"E, 1–26.V.2009, J.O. Lim.

Distribution. South Korea (new record).

Biology. Flight period in April to May. Host unknown.

Etymology. From the Latin “ verendus ” (awesome).

Remarks. The new species is very similar to G. clavulatus Khalaim & Blank as both have clavate flagellum of antenna (Fig. 1) and slender ovipositor with apex stronger upcurved (Fig. 19), but it differs from this species by flagellum less clavate, with subapical flagellomere square or weakly transverse (strongly transverse in G. clavulatus ), weaker foveate groove of mesopleuron, mandible with subequal upper and lower teeth (in G. clavulatus upper tooth is distinctly longer than the lower tooth), and shorter body. The new species also resembles G. fusculus (Holmgren) , but it differs from this species by the shape of the ovipositor and the clavate flagellum of the antenna.

Figures

FIGURES 39 – 44. Gelanes simillimus Horstmann, ♀. 39. Lateral habitus; 40. Fore wing; 41. Second tergite in dorsal view; G. verendus sp. nov., ♀. 42. Lateral habitus; 43. Fore wing; 44. Propodeum in lateral view. Scale bars: 1.0 mm for 39, 42; 0.1 mm for 40, 41 43, 44.