Mortality of Five Apple Insects Induced by the Nematode DD1361

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Abstract:

In lahoratory tests moderate dosages of the nematode DD136 caused high mortality of larvae of 5 leaf-eating insect pests of apple: winter moth, Operophtera brumata (L.) ; fall cankerworm, Alsophila pometaria (Harris); fall webworm, Hyphantria cunea (Drury); eastern tent caterpillar, Malacosoma americanum (F.); and pale apple leaf roller, Pseudexentera mali Freeman. Most of the nematodes applied to foliage were killed by desiccation within 1hour after application in the laboratory. The high mortality of the nematode by desiccation was believed to be the cause of its ineffectiveness against larvae of O. brumala in an orchard test.

Document Type: Research Article

Publication date: June 1, 1967

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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