Authors: HEINZ, KEVIN M.; McCUTCHEN, BILLY F.; HERHMANN, RAFAEL; PAHHELLA, MICHAEL P.; HAMMOCKI, BRUCE D.

Source: Journal of Economic Entomology, Volume 88, Number 2, April 1995 , pp. 259-264(6)

Publisher: Entomological Society of America

Abstract:

A limitation to effective field use of naturally occurring nuclear polyhedrosis viruses (NPVs) is the slow rate at which they kill their host. In making NPVs a more attractive pest management tool, this problem has been addressed by modifying NPVs genetically to express insecticidal proteins resulting in substantial increases in their speed of action. One concern associated with these recombinant NPVs, however, is their effects on nontarget insects associated with pests targeted for control by applications of NPVs. Our studies ('valuated the direct effects of wild-type Autographa California NPV (AcNPV) and a recombinant AcNPV (AeAaIT) on three insects beneficial to production agriculture. The recombinant NPV expresses an insect-selective neurotoxin, AaIT, which was isolated from the scorpion, Androctonus australis Hector. Two generalist predators, Chrysoperla carnea Stpphens and Orius insidiosus (Say), Were not adversely affected by feeding on larvae of Heliothis virescens (F.) infected with AeAaIT. Similarly, no adverse effects were detected in the honey bee, Apis mellifera L" when injected with wild-type or recombinant NPVs. Hesults from this study may provide a foundation upon which potential risks associated with genetically engineered NPVs may be evaluated on a limited scale in greenhouse or field experiments.

Document Type: Research article

Publication date: 1995-04-01

More about this publication?

• Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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