Biological characteristics of Micadina zhejiangensis.

Micadina Zhejiangensis injures Castanopsis eyrei and C. carlesii. It occurs one generation in a year and overwinters with eggs in the forest-litter under trees in Taishun County, Zhejiang. It is parthenogenesis. Its nymphs and adults feed on a large leave of its hosts, which result in the hosts being bad growth or dead. The paper deals with its life history, habits, and its natural enemies. The proposals for control are also given.