Deep interstitial habitat as a refuge for Agabus paludosus (Fabricius) (Coleoptera: Dytiscidae) during summer droughts

被引:36
作者
Fenoglio, S
Bo, T
Bost, G
机构
[1] Univ Piemonte Orientale, Dept Environm & Life Sci, I-15100 Alessandria, Italy
[2] Univ Milan, Dept Vet Sci & Technol Food Safety, I-20134 Milan, Italy
关键词
D O I
10.1649/842.1
中图分类号
Q96 [昆虫学];
学科分类号
摘要
We report information about the presence of Agabus (Gaurodytes) paludosus (Fabricius, 1801) within the interstitial zone of the streambed of the Po River (NW Italy) during droughts. During August and November 2004, we found adult and larval stages at depths of 70-90 cm below the surface when no water was present in the channel. These findings are discussed in the context of the origin of stygobiont diving beetles.
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页码:37 / 41
页数:5
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