Ecology and biology ofNoctuidonema guyanense (Nematoda,aphelenchoididae), an ectoparasite ofSpodoptera frugiperda (Lep., Noctuidae), in French Guiana |
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Authors: | J. F. Silvain M. Remillet |
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Affiliation: | (1) Centre ORSTOM de Cayenne, B.P. 165, 97323 Cayenne Cedex;(2) Present address: Station de Recherches de Lutte biologique, INRA, La Minière, 78285 Guyancourt Cedex, France;(3) Present address: ORSTOM, 213 rue La Fayette, 75480 Paris Cedex 10, France |
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Abstract: | Male and female moths ofSpodoptera frugiperda (J. E. Smith), collected in French Guiana between 1980 and 1987 were examined to evaluate the level of parasitism by the Aphelenchoidid ectoparasitic nematodeNoctuidonema guyanense Remillet &; Silvain. The rate of parasitism varies according to the population level ofS. frugiperda, the sex of the moths, number of matings, and age of the females. The results confirm that the transmission of the nematode from one moth to another occurs during mating. The growth of a nematode colony on a moth seems to be limited by the development of the physiological state of the host. |
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Keywords: | Noctuidonema guyanense Spodoptera frugiperda Nematoda Lepidoptera ectoparasite French Guiana |
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