Loboscelidia pecki sp. n. Figures 21433

Type material.

Holotype male: Viet Nam: Tuyen Quang Prov., 360 m, Na Hang Reserve, 16-20 May 1997, FIT, S. B. Peck, 97-10 (CNC).

Diagnosis.

This species is characterized by the absence of the cu-a vein and having a submedially curved medial vein, characters shared with Loboscelidia cinnamonea . It can be distinguished from Loboscelidia cinnamonea by Rs 3 × as long or longer than R, scape 3 × or shorter as long as broad, scrobal sulcus present and the fore and midtibiae without flanges.

Male description.

Body (Fig. 2) length 2 mm; forewing length 2.5 mm. Head: length 2 × height in side view (Fig. 14); eye asetose; frontal projection rectangular in front view; frons smooth, not microstriate; vertex without transverse fovea, posterior expansion strongly curved in profile; frons with ridge extending from vertex along inner eye margin; gena without scale-like setae; scape striate, length 2.9 × breadth; flagellomere I length 2.2 × breadth; flagellomere II length 2 × breadth; flagellomere XI length 4 × breadth. Mesosoma: pronotal length 0.9 × breadth, with lateral fold separating dorsal from lateral surface, about as wide as head in dorsal view; scutum with notauli reaching posterior margin; scutellum with fine dense striae laterally; metanotum with three medial ridges enclosing roughened medial area, smooth laterally, 0.4-0.5 × as long as scutellum; mesopleuron with scrobal sulcus; propodeum without transverse dorsal carina; legs (Fig. 2) smooth, polished; forefemoral flange 0.6 x femur length, flange maximum width 0.8 × width of tubular part of femur; foretibial flange 0.8 × tibia length, flange maximum width 0.7 x width of tubular part of tibia; midfemoral flange 0.7 × femur length, flange maximum width 0.7 × width of tubular part of femur; midtibial flange 0.9 × femur length, flange maximum width 0.7 × width of tubular part of tibia; hindfemoral flange 0.8 × femur length, flange maximum width 0.7 × width of tubular part of femur; hindtibial flange equal to femur length, flange maximum width 1.3 × width of tubular part of tibia; hindtibia with two longitudinal carinae on posterior margin; hindcoxa without longitudinal carina on inner medial surface; forewing (Fig. 33) R1 length as long as R; cu-a length absent; Rs length 3.2 × R length; Cu+M length 0.8 × A length; medial vein present, submedially curved. Color: Body dark brown; wing membrane brown-tinted, paler along vein remnants, veins brown.

Etymology.

The species is named after the collector, Stuart Peck.