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Pallid-winged grasshopper
The pallid-winged grasshopper (''Trimerotropis pallidipennis'') is a common grasshopper of the family Acrididae, native to the deserts of western North America from British Columbia to Argentina. They are more active during the summer months, and their pale, mottled coloration makes them hard to see against surfaces such as the granite often found in the gravel of dry river beds.〔(【引用サイトリンク】title=Pallid-winged grasshopper ''Trimerotropis pallidipennis'' )〕 They grow to be . The behavior of the pallid-winged grasshopper is apparently determined by temperature, with foraging occurring at temperatures of and mating at .
Populations of the pallid-winged grasshopper occasionally irrupt to damaging numbers. Between 1952 and 1980, there were six outbreaks in Arizona, only one of which lasted more than one year.〔
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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