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1 June 2010 Effects of Temperature on Survival, Development, Longevity, and Fecundity of Ophraella communa (Coleoptera: Chrysomelidae), a Potential Biological Control Agent Against Ambrosia artemisiifolia(Asterales: Asteraceae)
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Abstract

Ophraella communa (Coleoptera: Chrysomelidae) is a leaf beetle that is unintentionally introduced in China. It is a potential biological control agent against common ragweed, Ambrosia artemisiifolia (Asterales: Asteraceae). The effects of temperature on the development and fecundity of O. communa were studied at eight constant temperature regimens (15, 20, 22, 25, 28, 30, 32, 36°C) in the laboratory. The results showed that the developmental periods for egg, larva, pupa, and entire immature stages decreased in response to the increasing temperature, with the exception of 30°C. The survival rates at different developmental stages were higher at 25 and 28°C than at other temperatures. Ovipositional period and longevity of female shortened with the increasing temperature. The highest fecundity of female was observed to be 2,712.3 eggs/female at 28°C. Life table of O. communa was constructed based on the data at 20–32°C. The innate capacity for increase (rm), the net reproductive rate (R0), and the finite rate of increase (λ) reached the maximum at 28°C, with values of 0.247, 1,773.0, and 1.280, respectively. The shortest period of a generation (T) was 24.6 d at 32°C, whereas the longest T value was recorded as 79.3 d at 20°C. These results offer valuable insight on the establishment potential of O. communa in new environments with diverse temperature regimens and on its massrearing techniques in laboratory.

© 2010 Entomological Society of America
Zhong-Shi Zhou, Jian-Ying Guo, Hong-Song Chen, and Fang-Hao Wan "Effects of Temperature on Survival, Development, Longevity, and Fecundity of Ophraella communa (Coleoptera: Chrysomelidae), a Potential Biological Control Agent Against Ambrosia artemisiifolia(Asterales: Asteraceae)," Environmental Entomology 39(3), (1 June 2010). https://doi.org/10.1603/EN09176
Received: 29 June 2009; Accepted: 1 March 2010; Published: 1 June 2010
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