Survival and Development of the African Armyworm Spodoptera Exempta (Wlk.) (Lepidoptera, Noctuidae) on Some Grass Species (Graminae

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dc.contributor.authorYarro, Jacob G.
dc.date.accessioned2016-07-19T13:04:33Z
dc.date.available2016-07-19T13:04:33Z
dc.date.issued1984
dc.descriptionFull text can be accessed at http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=7301960&fileId=S174275840000134Xen_US
dc.description.abstractAt 25°C and 70% r.h. larvae of Spodoptera exempta develop faster and pass through five instars on star grass, Cynodon dactylon (L.); Pers. maize, Zea mais L.; and Kikuyu grass, Pennisetum clandestinum Chiov. whereas on guinea grass, Panicum maximum Jacq.; and Setaria plicatilis (Hochst.) Hack, the development is not only slower, but the larvae pass through six and seven instars, respectively. Samples of larvae reared on the former grass species suffer high mortality only at the first and the last instar stages so that the distribution of per cent mortality is U-shaped. On the latter host plants, the mortality during the first instar stage is equally high and continues through the subsequent instars with no obvious peak towards the end of the larval life. The samples on C. dactylon and Z. mais had much higher growth indices than those on P. maximum and S. plicatilis. C. dactylon is a preferred natural food plant of S. exempta in the field, and these investigations demonstrate its value and importance.en_US
dc.identifier.citationYarro, J.G., 1984. Survival and development of the African armyworm Spodoptera exempta (Wlk.)(Lepidoptera, Noctuidae) on some grass species (Gramineae). International Journal of Tropical Insect Science, 5(01), pp.1-5.en_US
dc.identifier.doi10.1017/S174275840000134X
dc.identifier.urihttp://hdl.handle.net/20.500.11810/3302
dc.language.isoenen_US
dc.publisherCambridge University Pressen_US
dc.subjectSpodoptera exemptaen_US
dc.subjectSurvivalen_US
dc.subjectDevelopmenten_US
dc.subjectHost plantsen_US
dc.subjectGrass speciesen_US
dc.subjectGrowth indicesen_US
dc.titleSurvival and Development of the African Armyworm Spodoptera Exempta (Wlk.) (Lepidoptera, Noctuidae) on Some Grass Species (Graminaeen_US
dc.typeJournal Articleen_US
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