Survey on resources and appraisal of dominant species of natural enemies in tea plantations in Guizhou Province
Guizhou Province is located in the east of Yungui Plateau,with a long history of growing tea plants,in which there exist plenty of the resources of natural enemies.During the past years,the natural enemies were collected in tea plantations throughout the whole province,and the specimens of many natural enemies have been identificated.356 species are identificated,in which 305 species of natural enemy insects belong to 50 families,7 species of entomogenous fungi,1 species of pathogenic bacteria of insects,14 species of pathogenic virus of insects,and 29 species of araneids belong to 12 families of Araneida are contained.The dominant species are ichneumon flies,braconid wasps,ladybirds,carabid beetles,and araneids.