Bionomics of Crocidolomia pavonana
Author of the article:GAO Hua, ZENG Dong-Qiang** , WEI Jia-Shu, DENG Guo-Rong, HUANG Da-Xing
Author's Workplace：Institute of Applied Entomology , College of Agriculture, Guangxi University , Nanning 530004, China
Key Words：Crocidolomia p avonana, bionomics, vegetables
Abstract：Crocidolomia pavonana( Fabricius) is a newly- found insect pest in the vegetable field in Nanning, Guangxi Province. There are thirteen generations per year in Nanning with 18 to 39.5 days to complete one generation. The eggs last 2.5 to 6.5 days, larval stage 8.0 to 13.0 days, and the pupae 8.0 to 17.0 days. It occurred all the year round, and the peak occurrence was from April to June. The main hosts of the pest were broccoli, Chinese cabbage, leaf mustard, radish and rape. The larval stage has four instars. The larvae injured the leaf, tender stem and flower of its hosts, and it pupated in soil.