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Seasonal changes in distribution of the African armyworm, Spodoptera exempta (Wlk.) (Lep., Noctuidae), with special reference to eastern Africa

Seasonal changes in distribution of the African armyworm, Spodoptera exempta (Wlk.) (Lep., Noctuidae), with special reference to eastern Africa,10.101

Seasonal changes in distribution of the African armyworm, Spodoptera exempta (Wlk.) (Lep., Noctuidae), with special reference to eastern Africa   (Citations: 36)
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    • ...The pattern which emerged suggested that there was a northward movement of populations from Tanzania to Ethiopia associated with the onset of the wet season in each country (Brown et al. 1969)...
    • ...There is some evidence that moths are brought near to the ground by rain (Riley et al. 1983) and more moths are trapped on rainy nights (Brown et al. 1969; Douthwaite 1978; Tucker and Pedgley 1983)...
    • ...The position in time and space of outbreaks has been shown for many occasions to correspond with the positions of synoptic-scale wind convergence zones about the estimated dates of moth arrival prior to oviposition (Brown et al. 1969; Blair 1972; Blair and Catling 1974; Betts 1976; Rose and Law 1976; Rose 1979; Blair et al. 1980; Rainey 1989)...
    • ...Less is known about the noticeable spread of outbreaks southwards from southern Tanzania, Mozambique and Malawi to Zimbabwe, South Africa and other parts of southern Africa (Brown et al. 1969; Blair and Catling 1974; Rose 1979; T.J...

    D. J. W. Roseet al. The bionomics of the African armyworm Spodoptera exempta in relation t...

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