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Predation of cotton leafworm first instar larvae, Alabama argillacea (Lep.: Noctuidae)



Predation of cotton leafworm first instar larvae, Alabama argillacea (Lep.: Noctuidae)



Entomophaga 36(4): 481-491



Natural predation of 1st-instar larvae of Alabama argillacea was studied in cotton fields in Jaboticabal, Sao Paulo, Brazil, during 1986. The presence of naturally occurring arthropod predators resulted in predation rates for 1st-instar larvae of 78.6 and 88.9% after 24 and 48 h of exposure, resp. A predator/prey ratio of 1:1 (1 key predator per prey per plant) maintained a density of no more than 1 small larva per plant.

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Accession: 002463630

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