Environmental Entomology (1988) 17, 926-929

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W.S. Fargo and E.L. Bonjour (1988)
Developmental rate of the squash bug, Anasa tristis (Heteroptera: Coreidae), at constant temperatures
Environmental Entomology 17 (6), 926-929
Abstract: Development of the squash bug, Anasa tristis DeGeer, was observed at 12 constant temperatures between 20.0 and 40.0°C. Times required for development of all life stages at the different temperatures followed the classic 'backwards-j' shape. A nonlinear biophysical model was fit to data representing each individual life stage as well as to several combinations of life stages. Generally a four-parameter model was selected with high-temperature inhibition of development. R2 values for the individual models ranged from 0.901 to 0.994. The models indicate that the use of heat-unit accumulation techniques to predict development times is valid within, the linear response range of A. tristis and may be used in the development of management strategies.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution
population dynamics/ epidemiology

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Anasa tristis