Eurystyrax nemethi, Gabris, Radim, Kundrata, Robin & Trnka, Filip, 2016

Gabris, Radim, Kundrata, Robin & Trnka, Filip, 2016, Review of Dolichostyrax Aurivillius (Cerambycidae, Lamiinae) in Borneo, with descriptions of three new genera and the first case of (ovo) viviparity in the long-horned beetles, ZooKeys 587, pp. 49-75 : 59

Taxon classification Animalia Coleoptera Cerambycidae

Eurystyrax nemethi sp. n. Figs 40-46

Type material.

Holotype, female, "Nord-Borneo / Kinabalu, West- / hang, ca 2800 m // 4.III.1969 / Dr. H. Löffler leg. // Dolichostyrax / longipes Aur. / det. Breuning 72. // HOLOTYPE / Eurystyrax / nemethi Gabriš, Kundrata / & Trnka, 2016 / gen. et sp. n. " (HNHM).

Description of holotype

(female). BL 14.3 mm, BW 5.1 mm. Body black, densely clothed with very short greyish pubescence, incorporating fine detritus particles.

Head about as wide as anterior pronotal margin, subquadrate at frontal view (genae parallel-sided); frontoclypeus sparsely punctured; anterior margin of anteclypeus shallowly emarginate, with sparse long yellowish semi-erected setae (Fig. 43). Labrum transverse, glabrous, with sparse long erected setae at apical half; frontal margin with very short dense golden pubescence. Eyes rather small, reniform, slightly emarginate at antennal articulations, lower lobes distinctly narrower than genae. Antennae 0.6 times as long as body; scape enlarged, slightly curved, longest, reaching about half of pronotum, gradually widened towards apex, surface smooth, covered with very short dense pale pubescence; the rest of antennomeres with sparser pubescence, pedicel very small, shortest, the relative ratio of antennomere lengths: 3.4: 0.4: 1.0: 1.1: 0.8: 0.8: 0.7: 0.6: 0.6: 0.7: 1.4 (Fig. 44), antennomere III 2.4 times as long as wide. Mandibles short and broad, apex unidentate (Fig. 6). Maxillary and labial palpi with apical palpomere fusiform.

Prothorax as long as wide, widest at middle, laterally without tubercles; pronotal disc sub-parallel sided, weakly convex, surface coarsely wrinkled, without distinct tubercles, sparsely covered with deep puncturation, anterior and posterior angles obtuse (Fig. 40). Scutellum about four times as wide as long. Elytra elongate, sub-parallel, widest near middle, from middle gradually slightly tapered towards apex; each elytron with three elevated ridges, without individual tubercles, sparsely covered with deep punctures arranged in rows; outer elytral margin straight at lateral view (Fig. 41). Legs long, slender; tibial spurs 2-2-2, tarsal formula 4-4-4; relative lengths of metatarsomeres 1.0: 0.7: 1:0: 1.5.

Abdomen with fifth ventrite truncate apically, margin with sparse semi-erect pubescence. Female genitalia with ovipositor elongate, narrow, apically with short styli (Fig. 45). Vagina narrow, with pair of vaginal plates. Bursa copulatrix small. Spermatheca present, well-sclerotized, simple, elongate, slightly curved, widened basally; sclerotized part of spermathecal duct simple, short (Fig. 46).

Male unknown.

Distribution.

Malaysia: Borneo (Sabah: Kinabalu).

Etymology.

This species is named after Mr. Tamás Németh (HNHM, Budapest, Hungary).