Non-Oral Infection of Steinernema feltiae (DD-136) to the Common Cutworm, Spondoptera litura (Lepidoptera : Noctuidae)
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概要
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Histological and scanning electron microscopic observations were made to reveal the infection of Steinernema feltiae in the common cutworm, Spodoptera litura, via routes other than the alimentary canal. The infective juveniles (J_<III>s) invaded the larval, pupal and adult spiracles of Galleria mellonella, while they did not invade the S. litura spiracles of the last instar larva or pupa aged 3 days after pupation. Many J_<III>s congregated in the vesicle under the esophagous of the S. litura larva and some J_<III>s penetrated the thin cuticular membrane of the vesicle. The nematodes also penetrated wounded tissues on the insect integument. A few J_<III>s were assumed to infect the larva through its thin intersegmental membrane, but no direct evidence was obtained. The firm framework of the J_<III>s head may be responsible for the mechanical invasion through the cuticular membrane.
- 日本応用動物昆虫学会の論文
- 1989-02-25
著者
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Kondo Eizo
Laboratory Of Applied Zoology Faculty Of Agriculture Tokyo University Of Education Komaba:(present A
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Ishibashi Nobuyoshi
Laboratory Of Nematology And Enlomology Faculty Of Agriculture Saga University
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