Parasites Reared from the Greenbug1 and Corn Leaf Aphid1 in Oklahoma in 1968 and 19692

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Abstract:

Parasites were reared from the green bug, Schizaphis graminum (Rondani); the corn leaf aphid, Rhopalosiphum maidis (Fitch); and R. padi (L.) collected in1968 and 1969 from sorghum in Oklahoma. Seven parasites representing the families Braconidae, Eulophidae, Encyrtidae, Pteromalidae, and Cynipidae were recovered. Lysiphlebus testaceipes (Cresson) was the most abundant parasite of the green bug- but was not evident in the field until August. A phelinus nigritus (Howard) and A. varipes (Foerster) were recovered in June and July from the corn leaf aphid; in August they were found parasitizing the green bug. Both parasites were recovered for the first time from field collections in Oklahoma. The most abundant secondary parasite was Aphidencyrtus aphidivorus (Mayr). Other secondary parasites reared were pachyneuron siphonophorae (Ashmead), Charips sp., and Asaphes lucens (Provancher).

Document Type: Research Article

Publication date: June 1, 1970

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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