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8 July 2017 Effect of Variable Temperature on the Development of Eucryptorrhynchus brandti (Coleoptera: Curculionidae)
X. J. Wen, G. Y. Zhang, Y. C. Ji, J. B. Wen
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Abstract

Temperature is one of the most important abiotic factors that influences the development and growth of insects. We investigated the effect of temperature on the development of the weevil Eucryptorrhynchus brandti (Harold). The developmental zeros and effective accumulated temperatures for different developmental stages of E. brandti were estimated under variable temperatures in the laboratory. We observed that the developmental zeros of eggs, larvae, and pupae were 15.27 °C, 20.86 °C, and 14.04 °C, respectively, and the effective accumulated temperatures were 81.46 °Cd, 293.76 °Cd, and 127.76 °Cd, respectively. The rate of development increased as the temperature increased within a particular temperature range, and temperatures from 30 °C to 31 °C were particularly suitable for E. brandti rearing. Based on these results, we may be able to predict the occurrence of E. brandti, providing a reference for physical control measures targeting adults to effectively reduce oviposition and minimize population expansion.

© The Authors 2017. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com
X. J. Wen, G. Y. Zhang, Y. C. Ji, and J. B. Wen "Effect of Variable Temperature on the Development of Eucryptorrhynchus brandti (Coleoptera: Curculionidae)," Environmental Entomology 46(5), 1151-1155, (8 July 2017). https://doi.org/10.1093/ee/nvx123
Received: 11 April 2017; Accepted: 19 June 2017; Published: 8 July 2017
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