Life Tables and Development of Bemisia argentifolii (Homoptera: Aleyrodidae) at Different Temperatures

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The life history of Bemisia argentifolii Bellows & Perring (Homoptera: Aleyrodidae) on tomato (Lycopersicum spp.) was studied based on the age-stage, two-sex life table at 15, 20, 25, 28, 30, and 35°C. The intrinsic rate of increase (r) at these temperatures is −0.0176, 0.0667, 0.1469, 0.1611, 0.1745, and 0.0989 d−1, respectively. The relationship among the gross reproductive rate (GRR), the net reproductive rate (R 0), and the preadult survivorship (l a ) is consistent with GRR > l a · GRR > R 0 for all results at different temperatures. The mean generation time is 81.9, 48.6, 28.4, 25.3, 22.1, and 18.2 d, respectively. The developmental rate of the egg stage at different temperatures fit a linear equation with a thermal summation 89.2 degree-days and a developmental threshold of 11.4°C. The developmental rates of the nymphal stage fit the model of Stinner et al. and the parameters of C, R max, k 1, and k 2 were 0.085, 0.0833, 5.298, and −0.263, respectively.

Keywords: Bemisia argentifolii; life table; temperature

Document Type: Research Article


Publication date: June 1, 2006

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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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