Respiration of the Confused Flour Beetle in Five Atmospheres of Varying CO2:O2 Ratios1

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Abstract:

The respiratory gas exchange of adult (2-week-o]d) confused flour beetles, Tribolium confusum Jacquelin duVal, was determined at 30 in 5 different CO2:O2 ratios ranging from 1:0.74 to the "normal atmosphere" ratio of 1:717. The respiratory quotient (RQ) was less than 1.0 in all CO2:O2, ratios except 1:717. At the lowest O2, concentration (4.9%) the RQ was lowest (0,60) . Lack of O2 rather than high CO2 content appeared to stimulate increased O2 consumption.

Document Type: Research Article

Publication date: February 1, 1968

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  • 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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