Corymbitodes yangi, Qiu, 2023

Corymbitodes yangi sp. nov.

( Fig. 11 -12; 22)

ZooBank:http://zoobank.org/ BEEC3D21-E6F4-4263-8AED-FE607E01A7D3

Holotype, ♂ ( MYNU), Baotianman, Neixiang County, Nanyang City , Henan, 1200 -1400 m, 18-19.V.2016, Qiao-Zhi Yang & Wei-Peng Qiao leg.

Diagnosis. – This new species resembles Corymbitodes speciosus , but it can be easily separated from the later by the different coloration, the shape of antennomere, as well as the shape of aedeagus.

Description (based on male holotype)

Dimension. –Body length 8.6 mm.

Shape and coloration. – Shiny; head, labrum and pronotum metallic red, pronotum with lateral portions metallic yellowish green; mandible, antennae, maxillary palpi, posterior angles of pronotum black; elytra metallic bluish purple, lateral portions purple; thorax ventrally metallic bluish green, or slightly yellowish green; abdomen metallic purple, lateral portions metallic bluish green; legs yellow, tarsi dark brown. Body covered with whitish short pubescence.

Head. – Frons slightly depressed apically; punctures umbilicate, large, intervals usually less than the diameter of one puncture. Antennae short, not exceeding posterior angles of pronotum by about half of last antennomere, serrated from antennomere 3 on; scape stout, pedicel small, globous, antennomere 3 elongate triangular, about 1.8 times longer than wide, antennomeres 4 - 10 triangular, similar in shape, the last antennomere elongate, apex narrowed, blunt.

Pronotum. – Pronotum elongate, subtrapezoidal, depressed in the middle, about 1.2 longer than width, widest at posterior angles; sides almost straight, very weakly convex, posterior angles long, slightly divergent, apices truncated; punctures small, intervals of punctures almost contiguous in the middle.

Scutellar shield. – Covered with dense pubescence, tongue-shaped, densely with small punctures.

Elytra. – About 2.4 times longer than width, widest near basal third; apical portion gradually narrowed, apices with micro sharp process, not connected; surface wrinkled, striae formed by lines of dense quadrate punctures, adjacent punctures connected by grooved line; interstriae densely punctuated, usually only with 2- 3 punctures among the nearest four striae punctures.

Aedeagus (Fig. 22). – Typical of this genus.

Female and larva. – Unknown.

Etymology. – The specific epithet is named after Mr. Qiao-Zhi Yang (Beijing), one of the collectors of the holotype.

Distribution. – China (Henan).