Predation activity of two winter-active spiders (Araneae: Anyphaenidae, Philodromidae)

被引：29
|
作者：
Korenko, S. [1 ]
Pekar, S. [1 ]
Honek, A. [2 ]
机构：
[1] Masaryk Univ, Fac Sci, Dept Bot & Zool, CS-61137 Brno, Czech Republic
[2] Crops Res Inst, Dept Entomol, Prague 16106 6, Ruzyne, Czech Republic
来源：
JOURNAL OF THERMAL BIOLOGY | 2010年 / 35卷 / 02期
关键词：
Anyphaena; Philodromus; Sub-zero temperature; Overwintering; Predation activity; Biological control; TEMPERATURE-DEPENDENT DEVELOPMENT; RATE MODEL; GROWTH; FOOD;
D O I：
10.1016/j.jtherbio.2009.12.004
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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.
引用
收藏
页码：112 / 116
页数：5
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