Horniolus novempunctatus Miyatake, 1979

Chen, Xiaosheng, Xie, Xiufeng, Ren, Shunxiang & Wang, Xingmin, 2016, A taxonomic review of the genus Horniolus Weise from China, with description of a new species (Coleoptera, Coccinellidae), ZooKeys 623, pp. 1-19 : 5

Taxon classification Animalia Coleoptera Coccinellidae

Horniolus novempunctatus Miyatake, 1979 Figs 2, 7

Horniolus novempunctatus Miyatake, 1979: 105; Pang et al. 2004: 89; Kovár 2007: 579.

Diagnosis.

This distinctive species can easily be separated from the other species of Horniolus by its peculiar colour pattern on elytra.

Description.

TL: 2.95 mm, TW: 2.00 mm, TH: 1.52 mm, TL/TW: 1.47, PL/PW: 0.51, EL/EW: 1.12, HW/PW: 0.63, PW/EW: 0.86.

Body elongate oval, moderately convex, dorsum covered with white pubescence (Fig. 2 a–c). Head, antennae and mouthparts brown. Pronotum brown to dark brown. Scutellum black. Elytra yellow with nine black spots (Fig. 2a). Underside chestnut (Fig. 2d).

Head with fine frontal punctures, as large as eye facets, 0.5-1.0 diameter apart. Eyes finely faceted, interocular distance 0.56 times head width. Pronotal punctures slightly larger than those on frons, 1.0-2.0 diameters apart. Surface of elytra with punctures larger than those on pronotum, separated by 2.0-3.0 diameters. Prosternal carinae Y-shaped with stem approximately ⅓ as long as arm, arms broadly separated. Abdominal postcoxal lines strongly recurved and complete laterally (Fig. 2d), reaching 4/5 length of abdominal ventrite 1, area enclosed by lines coarsely punctate, narrowly smooth along line. Abdominal ventrite 5 in female with apex rounded.

Male unknown.

Type material.

Holotype: female, Juisui, Taiwan, [23°31.23'N, 121°24.67'E, ca 300 m], 4. IV. 1974, Takeda S. leg (ELEU, Fig. 2e).

Distribution.

China (Taiwan).