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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Thorybes bathyllus ： ウィキペディア英語版 Thorybes bathyllus The Southern Cloudywing (sometimes spelled Southern Cloudy Wing), ''Thorybes bathyllus'', is a North American butterfly in the family Hesperiidae. There are two main reasons why Southern Cloudywings can be difficult to identify: one is individual variation and the other is confusing seasonal forms. In the south, where it has two broods per year, there are two seasonal forms. Spring forms are usually lightly marked and resemble Confused Cloudywings (''Thorybes confusis''). Summer forms tend to be more boldly marked by comparison, making identification easier. However, summer Confused Cloudywings are also strongly patterned which makes identifying them more difficult. There rapid flight is very erratic, though it is closer to the ground then in some of its close relatives.〔Rick Cech and Guy Tudor (2005). ''Butterflies of the East Coast''. Princeton University Press, Princeton, NJ. ISBN 0-691-09055-6〕 ==Description== On average, the Southern Cloudywing is usually slightly smaller than the North Cloudywing (''Thorybes pylades'') and about the same size as the Confused Cloudywing. The palps are whitish with a white ring around the eye.〔 There is a white spot on the bend of the antennal club.〔Jim P. Brock and Kenn Kaufman (2003). ''Butterflies of North America''. Houghton Mifflin, New York, NY. ISBN 0-618-15312-8〕 Males lack a fore wing costal fold. The upper side of the wings is dark brown with the fore wing submarginal area having an aligned row of glassy white spots. Near the fore wing costa is a conspicuous spot in the shape of an hourglass (in spring forms this spot is lacking). In the subapical area there are three to four spots that are either all connected as if they were one mark (summer form) or with the bottom spot slightly offset (spring form).〔〔 The underside of the wings is mottled dark brown with two darker brown bands.〔 In some cases the hind wing may have a variable amount of frosting near the margin.〔 Its wingspan measures .〔Ernest M. Shull (1987). ''The Butterflies of Indiana''. Indiana Academy of Science. ISBN 0-253-31292-2〕 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「Thorybes bathyllus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.