Biological Relationships Between Cardiochiles nigriceps and the Heliothis Complex1

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It was found that Cardiochiles nigriceps Vierick attacked the larvae of both Heliothis zea (Boddie) and H. virescens (F.) in the field and in the laboratory, but eggs developed only in H. virescens. These results indicate that the parasite is host specific to H. virescens. The parasite attacked first through fifth instars of H. virescens larvae on field tobacco. The rate of the parasite egg and larval development was the same in each of these 5 instars. In all cases observed, unmated female parasites produced male offspring, indicating that this species exhibits facultative parthenogenesis.

Document Type: Research Article

Publication date: August 1, 1966

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  • 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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