A review of the Indian species of genus Polygraphus erichson, 1836 (coleoptera: curculionidae: Scolytinae) with bio-ecological notes on P. major, a pest of Pinus wallichiana A. B. Jacks (Pinaceae) in Kashmir, India

摘要

The Indian species of the genus Polygraphus Erichson, 1836 (Coleoptera: Curculionidae: Scolytinae) collected from various localities of the Western Himalayan region and the species available at the National Forest Insect Collection (NFIC), Forest Research Institute, Dehradun (India) were studied and are reviewed herewith. A key to Indian species of Polygraphus is provided. Detailed bioecological field and laboratory observations of P. major including mating behaviour, gallery pattern, life cycle and seasonal history are reported.