Journal
JOURNAL OF THERMAL BIOLOGY
Volume 35, Issue 2, Pages 112-116Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jtherbio.2009.12.004
Keywords
Anyphaena; Philodromus; Sub-zero temperature; Overwintering; Predation activity; Biological control
Funding
- Grant Agency of the Ministry of Agriculture of the Czech Republic [1G58081]
- Ministry of Education, Youth and Sports of the Czech Republic [MSM0021622416]
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Anyphaena accentuata and Philodromus spp. are cold adapted and winter-active spider species. Their predation activity was investigated at constant temperatures between -4 and 30 degrees C. The lower temperature threshold for Anyphaena was -3.7 degrees C, while that of Philodromus was -1.2 degrees C. At 1 degrees C the latency to capture and prey consumption was significantly shorter in Anyphaena than in Philodromus. The capture rate increased with temperature and was maximal at 15 degrees C in Anyphaena and at 30 degrees C in Philodromus. At 30 degrees C, the latency to the capture was significantly shorter in Philodromus than in Anyphaena whose mortality significantly increased. (C) 2009 Elsevier Ltd. All rights reserved.
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