Identification and Diel Activity Patterns of Predators Attacking Helicoverpa zea (Lepidoptera: Noctuidae) Eggs in Soybean and Sweet Corn

Author： Pfannenstiel R. S.   Yeargan K. V.  

Publisher： Entomological Society of America

ISSN： 1938-2936

Source： Environmental Entomology, Vol.31, Iss.2, 2002-04, pp. : 232-241

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