Role of Constant and Fluctuating Temperatures in Determining Development Time and Fecundity of Three Species of Stored-Products Coleoptera2
- 15 March 1973
- journal article
- research article
- Published by Oxford University Press (OUP) in Annals of the Entomological Society of America
- Vol. 66 (2) , 407-410
- https://doi.org/10.1093/aesa/66.2.407
Abstract
Development time of Tribolium castancum (Herbst) and Trogoderma iuclusum (LeConte) was reduced by about 9–12% when beetles were exposed to sinusoidal fluctuating temperatures with 10°C range and mean of 25°C rather than a constant 25°C. Sitophilus oryzae (L.) showed no significant difference in the effect of the 2 temperature conditions upon development time. During the 1st 14 days after emergence, the fecundity of T. castancum was apparently greater in fluctuating than in constant temperature; fecundity of T. inclusum and S. oryzae was not different in the 2 temperature regimens.Keywords
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