(Figs 21–27)

Holotype, male. China, Yunnan, Lijiang, Yulongshan, Prim forest 2800 m, N 27°28'20" E 100°14'6", 29.V.2002, leg. A. Konstantinov & M. Volkovitsh (IZAS).

Body black, weakly shiny, elytra with four reddish-yellow transverse bands, not reaching sutural or lateral margins (Fig. 24).

Head protruding. Frontal ridge convex, triangular. Antennal sockets situated close to each other. Antennal calli weakly convex. Labrum with broad impression in middle of anterior margin. Gena and sides of mandibles covered with long, stiff bristles. Antenna short and relatively thick. Proportions of antennomeres as follows: 15:8:7:8:8:8:8:8:7:11:12.

Pronotum nearly flat, with wide and shallow impressions on sides of disc (Fig. 22). Pronotal surface densely and minutely shagreened with sparse punctures on sides and near base. Anterior angles strongly protruding forward, separated by deep furrow, and bearing a large setiferous pore. Scutellum large and short, without punctures. Elytra narrow at humeri, widening strongly to posterior third. Sutural margins rounded. Elytral surface densely and minutely shagreened, with small and sparse punctures. Distance between punctures about twice as large as diameter of puncture. Elytral margins slightly swollen, separated by deep, narrow furrow.

Venter densely and minutely shagreened. Posterior side of abdominal ventrites with rows of small punctures. Tibiae with rows of stiff bristles. First tarsomere of all legs elongate, wide distally. Aedeagus as in Figs 25–27.

Etymology. This species is named after A. S. Konstantinov.