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1 July 2000 Temperature-dependent development and reproduction of the spider mite, Schizotetranychus bambusae Reck (Acari: Tetranychidae)
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Abstract

Development, survivorship, and reproduction of the mite Schizotetranychus bambusae Reck reared on fresh bamboo leaf were evaluated at 5 constant temperatures (21, 24, 27, 30, and 33°C). The development time from egg to adult varied from 16.7 d at 21°C to 7.6 d at 33°C. The developmental thresholds for egg, larva, protonymph, deurtonymph, pre-oviposition and combined immature stages were estimated at 12.4, 15.3, 14.0, 15.2, 10.7 and12.5°C, respectively. High temperature (33°C) engendered a decline in larval and protonymphal development. A modified nonlinear Logan model describing the relationship between developmental rate and temperature for all immature stages was constructed. Survivorship was highest (88.3%) at 27°C; whereas at 21 and 33°C, it came to 61.7 and 55.7%, respectively. After emergence the adult had a pre-oviposition period that ranged from 1.9 d at 21°C to 1.0 d at 33°C. The highest number of eggs (23.4) was produced at 27°C, the lowest at 33°C. The longest reproductive duration (15.5 d) was recorded at 21°C, and the shortest (4.3 d) at 33°C. Mites reared at 27°C had the highest net reproductive rate (15.6), whereas at 33°C they had the highest intrinsic rate of increase (0.1686). Our results suggest that S. bambusae could develop and reproduce within a wide range of temperatures.

© 2000 Systematic & Applied Acarology Society
Huai Liu, Zhimo Zhao, Jinjun Wang, Longshu Li, and Wei Ding "Temperature-dependent development and reproduction of the spider mite, Schizotetranychus bambusae Reck (Acari: Tetranychidae)," Systematic and Applied Acarology 5(1), (1 July 2000). https://doi.org/10.11158/saa.5.1.4
Accepted: 1 March 2000; Published: 1 July 2000
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