Liroetis grandis Chen & Jiang, 1986

Bezděk, Jan, 2021, Redefinition of Liroetis, with descriptions of two new species and an annotated list of species (Coleoptera: Chrysomelidae: Galerucinae), Acta Entomologica Musei Nationalis Pragae 61 (2), pp. 529-614 : 592

Liroetis grandis Chen & Jiang, 1986

( Figs 277–281 )

Liroëtis grandis Chen & Jiang, 1986: 199 , 200 (original description).

Liroëtis grandis : JංൺඇǤ (1988): 192 (noted); Bൾൾඇൾඇ (2010): 478 (catalogue); YൺඇǤ et al. (2015): 247 (key), 248 (noted).

Type locality. ‘[ China:] Sichuan: Mt. Emei’.

Type material examined. Pൺඋൺඍඒඉൾ: 1 ♀ ( Figs 277–281 ), ‘[Sichuan, Mt. Emei / 1957.8.29. / Chinese Academy of Sciences] [in Chinese, w, combined p and h] // [Jiulao cave / Collector: You-Cai Lu] [in Chinese, w, combined p and h] // PARATYPE [y, p] // IOZ(E)1966991 [w, p] // Liroetis grandis / Chen [w, p]’ ( IZAS).

Diagnosis. Colouration. Body yellow, each elytron with black spot on humeral callus and three small black spots preapically in transverse row, antennae black, femora yellow with black apical part, tibiae and tarsi black.

Male unknown.

Body length. ♀ (paratype): 13.8 mm (♀♀: 15.0 mm based on the original description).

Female ( Figs 277–280 ). Pronotum convex, 1.35 times as wide as long, lustrous, impunctate, anterior margin unbordered. Scutellum with small grooves at basal angles ( Fig. 280 ). Metatibial spur absent. Female genitalia not examined.

Differential diagnosis. Having completely pale coloured pronotum and bicolour legs L. grandis is very similar to L. suwai and L. paragrandis . Liroetis grandis can be distinguished by presence of two small grooves at basal angles of scutellum ( Fig. 280 ) which are missing in L. suwai and L. paragrandis .

Distribution. China: Sichuan (CIJൾඇ & JංൺඇǤ1986).

Figures

Figs 277–281. Liroetis grandis Chen & Jiang, 1986, female, paratype (13.3 mm). 277 – dorsal view; 278 – ventral view; 279 – head and pronotum; 280 – scutellum; 281 – labels.