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The Mountain Mahogany Looper Moth (''Iridopsis clivinaria'') is a moth of the Geometridae family. It is found from British Columbia south to California and east to Idaho, Colorado and Arizona.〔(Bug Guide )〕 The length of the forewings is 22–25 mm. Adults have triangular forewing with a pale grey strip along the costa but medium brownish-grey in the lower and outer portions. They are on wing from March to July in one generation per year. The larvae mainly feed on the leaves of ''Cercocarpus'' species and ''Purshia tridentata'', but have also been recorded on ''Prunus'' species and ''Ceanothus velutinus''. Young larvae skeletonise the leaves of their host plant. They are generally greyish-brown (although there are four colour morphs: black, gray, reddish, and yellow) and mimic twigs. Larvae can be found from July to August, after which they overwinter as a pupa in the soil. ==Subspecies== *''Iridopsis clivinaria clivinaria'' *''Iridopsis clivinaria impia'' Rindge, 1966 *''Iridopsis clivinaria profanata'' (Barnes & McDunnough, 1917) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Iridopsis clivinaria」の詳細全文を読む スポンサード リンク
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