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Respiration of 2-week-old adult confused flour beetles, Tribolium confusum Jacquelin du Val, was measured with a gas chromatograph. The use of a 2-column system enabled rapid and simultaneous measurement of CO2 O2. and N.. Installation of a zero. suppression selector between voltage source and the recorder potentiometric system allowed O2 and N2 to be measured at 100% detector cell sensitivity. At 30, the production of carbon dioxide and consumption of oxygen of 5 lots of 350 beetles, measured 5 times, average 0.0861/µg per mg per minute, and 0.062/µg per mg per minute, respectively, with a resultant molar respiratory quotient of 1.02.
Document Type: Research Article
Publication date: April 1, 1966
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.