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In tests against lawn moth larvae, Crambus sperryellus Klots and C. bonifatellus (Hulst), the most effective materials were DDT and diazinon. At 5 lb per acre both gave a high initial kill with control holding for more than a month. At the same dosage Zectran® (4-dill.lethylamino-3,5-xylyl metbylcarbamate) and earbaryl gave a high initial kill hut reinfestation occurred within 3 weeks. Bakthane® (Bacillus thuingiensis var. thuringiensis Berliner), rated at 75X109 viable spores per gram) at 2 and 8 lb per acre reduced the population but lb residual effectiveness also was less than 3 weeks.
Document Type: Research Article
Publication date: February 1, 1964
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.