Sinopanamomus yunnanensis, Esser, 2019

Esser, Jens, 2019, Sinopanamomus yunnanensis nov. gen. & nov. sp., a new genus and species of Leiestinae (Coleoptera, Endomychidae) from China, Linzer biologische Beiträge 51 (2), pp. 929-932 : 930

Sinopanamomus yunnanensis nov.sp. ( fig. 1-3 )

T y p e m a t e r i a l: Holotype ♀: " China [13] - Yunnan, mt. SE Gejiu, graveyard with pine, 23°18'27''N, 103°11'41''E, 2400 m, 20.VIII.2014, V. Assing" [ MFNB]. Paratypes: 1³, 1♀ " China: Yunnan, mountain W Gejiu, 23°24'13''N, 103°07'28''E, 1990 m, misted forest, litter and various debris sifted, 23.VIII.2014, leg. M. Schülke [CH 14-20]" [ MFNB, cES].

E t y m o l o g y: Named after the province Yunnan ( China), where the type material was collected.

D e s c r i p t i o n: Male, 2.6 mm, blackish brown with a light transverse spot on each elytra behind the middle and somewhat paler posteriorly. Surface shiny, puncture fine and very sparse, on elytra disordered. Pubescence also very sparse, forming pale and curved hairs. Eyes small and hemispherical. Membranous wigs absent. Labial palpi stout, terminal palpomere large and fusiform, more than twice long as the penultimate. Antennae stout, 11-segmented with a 3-segmented club. Segment 1 barrel-shaped, broader than segments 2 to 8. Segments 4, 5, 6, 7 more or less long as broad, segments 3 and 4 somewhat longer. Segments 9 and 10 moderately transverse, segment 11 nearly triangular but asymmetrical. Legs stout, tarsi 4-segmented, anterior tarsomeres 1 to 3 widened (only in male). Pronotum moderately transverse (1.4 x broader than long), broadest before the middle, convex, strongly rounded anteriorly, anterior angles rounded and indistinct. Side margin in the posterior two thirds straight or feebly concave, smooth. Margin small bordered, smooth. Along the margin with a distinct furrow, widened apically. Basal foveae large and deep, basal margin between the foveae depressed. Scutellum triangular. Elytra convex, oval, strongly depressed along the basal margin. No suture developed, humeral callus indistinct.

C o m m e n t: Currently Sinopanamomus yunnanensis nov.sp. is the only known species of Sinopanamomus gen.nov. It differs from the five Japanese Panamomus by the furrow on pronotum parallel to the side margin, the terminal labial palpomere, elytra disordered punctate and more stout body and extremities.

Figures

Fig. 1-4: Sinopanamomus yunnanensis nov.gen. & nov.sp. (1) dorsal view and (2) ventral view; Sinopanamomus yunnanensis nov.gen. & nov.sp. (3) lateral view and (4) Aedoeagus (lateral).