Resistance Frequencies in Overwintering Pupae and the First Spring Generation of Helicoverpa armigera (Lepidoptera: Noctuidae): Selective Mortality and Immigration

Author: DALY JOANNE C.   FITTI G. P.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.83, Iss.5, 1990-10, pp. : 1682-1688

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