从罹病死亡的龟蜡蚧尸体中分离到一株寄生真菌，经纯化后鉴定为蚧镰孢菌（ＦｕｓａｒｉｕｍｊｕｒｕａｎｕｍＰ．Ｈｅｎｎ．）。它在多种人工培养基和自然基物上生长良好，产生大小两种孢子。该菌能寄生多种介壳虫，特别对龟蜡蚧幼虫具有较好的寄生致病作用，致死率可达８０％以上。菌液在一定浓度范围内，其致死作用随着孢子浓度的增加而上升。 A parasitic fungus was isolated from the body of the dead waxworm Coccinella septempunctata and purified to identify as Fusarium juruanum P. Henn. It grows well on a variety of artificial media and natural substrates, producing two sizes of spores. The bacteria can parasitize a variety of scale insects, especially larvae of wax scale larvae have a good parasitic pathogenic, lethal rate of up to 80%. Bacteria in a certain concentration range, the lethal effect with the spore concentration increased.