Female Mermis nigrescens (蝗 索线虫), a mermithid parasite of grasshoppers in North America. The black color of the mermithid nematode is to the eggs in the female's body. (J. Capinera)
Deroceras reticulum five days after death following infected by Phasmarhabditis hermaphrodita, showing densely populated cadaver being fed upon by adult nematodes. (M.Wilson)
垫刃目: 园线虫科 Sphaerulariidae
有3属 通过生殖器伸进寄主体腔侵染 能杀死寄主或使成虫不孕 寄主:鞘翅目、双翅目、膜翅目等
垫刃目: 园线虫科 Sphaerulariidae
Sphaerulariopsis adult, a nematode parasite of bark beetle, with everted uterus. (Drawn by R. Giblin-Davis)
二、线虫杀虫剂的发展历史
第一个有关线虫寄生昆虫的报道:18世纪中期 1929粘Glaser从日本的一种丽金龟中得到了
格氏斯氏线虫,标志利用昆虫病原线虫防治害 虫的开始
1940~1960年处于低潮 1960~1970年,再次引人关注。
如小卷蛾斯氏线虫、异小杆线虫
三、昆虫病原线虫的种类
Stained specimen of Steinernema feltiae showing the mutualistic bacterium, Xenorhabdus bovienii, in the vescle. (R. Akhurst)