期刊
SOUTHWESTERN NATURALIST
卷 59, 期 2, 页码 301-302出版社
SOUTHWESTERN ASSOC NATURALISTS
DOI: 10.1894/N09-FRG-07.1
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资金
- American Museum of Natural History Theodore Roosevelt Memorial Fund Award
We report an observation of overland dispersal in a flightless aquatic insect during a period of drought-induced stream-drying. We observed an adult giant water bug, Abedus herberti (Hemiptera: Belostomatidae), crawling at 4.6 m/min along a dry stream channel in the Galiuro Mountains, Arizona. We tracked the individual for 130 m and estimate that it moved 240 m from the nearest remaining aquatic habitat. Additionally, we conducted behavioral experiments that confirm that A. herberti can use drying as a cue to initiate movement.
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