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Water traps and dry traps were used to assess the locomotor activity of the hairy spider beetle, Ptinus villager (Reiter), at the surface of stored wheat. Insects were counted in the traps at 3-hr intervals for 45 hr. More insects were taken in water traps than in dry traps. Insect locomotor activity at the grain surface was arrhythmic according to counts in dry traps. Water-trap counts indicated that the intensity of the humidity response of P. villiger was greater in the late morning than at other times.
Document Type: Research Article
Publication date: December 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.