Biology of Cerotoma arcuatus (Coleoptera: Chrysomelidae) and Field Validation of a Laboratory Model for Temperature Requirements

Authors: Nava, Dori Edson; Parra, José Roberto Postali

Source: Journal of Economic Entomology, Volume 96, Number 3, June 2003 , pp. 609-614(6)

Publisher: Entomological Society of America

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Cerotoma arcuatus Olivier is a polyphagous pest of legumes [soybean, Glycine max (L.); dry beans, Phaseolus vulgaris (L.); and cowpeas, Vigna unguiculata (L.)], all of which are considered important protein sources for humans and domestic animals. Studies on the biology and temperature requirements of C. arcuatus were made under laboratory and field (cage) conditions. In the laboratory, insects were reared on soybean plants in incubators held at 18, 20, 22, 25, 28, 30, or 32°C, 70 ± 10% RH, and a photoperiod of 14:10 (L:D) h. A degree-days (DD) model developed based on the incubator data were validated in the field based on air and soil temperatures. The duration of the egg, larva-to-adult, and egg-to-adult period was inversely correlated with the temperature within the range of 18–32°C, with the highest viability found from 20 to 30°C. The temperature threshold for development and the thermal constant for the egg phase and the larva-to-adult periods were 13.6°C and 106.7 DD, 8.3°C and 399.4 DD, and 10.7°C and 489.0 DD, respectively. The DD model for the egg-to-adult period, calculated using constant temperatures in the laboratory, was found to be valid for populations of C. arcuatus in the field, based on the fluctuating air and soil temperatures, although air temperatures provided more precise predictions. These data provide support for the rational control of this pest through population predictions based on their temperature requirements.

Keywords: Chrysomelidae; Coleoptera; degree-days; temperature

Document Type: Research Article


Publication date: June 1, 2003

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.
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