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A Comparison of Oviposition and Nymphal Development of Empoasca Fabae (Harris)1 on Different Host Plants

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Abstract:

During 1929 and 1930 certain forage crop and other plants were used in comparative tests to ascertain which plants Empoasca Fabae chose for oviposition, and also the numbers of nymphs developing to the adult stage. With several of these host plants the amount of injury present seemed to be correlated in some way with the amount and type of the pubescence borne by these plants. In general, the rough hairy pubescent varieties within a species usually were much less injured by this leafhopper than the non-pubescent or appressed pubescent varieties. It was shown that more nymphs of E. fabae hatched from certain hosts than from others regardless of whether such hosts were very hairy or only slightly pubescent. In this study 101 tests were made involving the use of 3,1562 adults and the hatching of 9,108 nymphs. Potato was apparently the preferred host plant among those tested, followed by Whippoorwill cowpea, dahlia, non-pubescent soybean (S. P. I. No. 55069), alfalfa, stringless green pod bean, Dixie soybean, and red clover about in the order named. When varieties of red clover and soybean were tested, more nymphs of E. faboe hatched from the non-pubescent or appressed pubescent varieties which were used than from the rough hairy varieties. More nymphs hatched from Hairy Peruvian a'falfa than from Kansas alfalfa, a much less pubescent variety.

Document Type: Research Article

Publication date: April 1, 1931

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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