Insect Predators for Controlling Aphids1 on Potatoes. 4. Spatial Distribution of Introduced Eggs of Two Species of Predators in Small Fields2

Author: SHANDS W. A.   SIMPSON GEDDES W.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.65, Iss.3, 1972-06, pp. : 805-809

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