Diagnostic Notes
Cylindrical bark beetle with a shiny black pronotum and red-brown elytra; abdomen has a declivity with tubercles on the third and fourth sternites (more so in the male); edge of frons above mandibles has a minute tubercle on either side; male bodylength 3-5mm, frons flat, with dense cover of hair, lateroapical regions of elytra with row of long, yellow bristles; female body length 4-6mm, frons weakly convex and with weak cover of short hair.
Source:
Vladimir Novak, F. Hrozinka & B. Stary (1976). Atlas of insects harmful to forest trees Volume 1. Elesvier Scientific Publishing Company.
