An Investigation on the Pathogens of Both Lac Insects and Their Host Plants

After many years' collection,the auther have obtained and identified 51 species of pathogens,which are now preserved in our institute,from 35 species of host plants of lac insects.Described in this paper are 11 species of saprophytic pathogenic fungi causing dark mildew on lac,26 species of parasitic pathogenic fungi on 12 species of host plants of lac insects and 1 hyperparasite (Ampelomyces quisqualis Ces ex Schlecht).18 species among these pathogens are new records in China.