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''Callisto basistrigella'' is a moth of the Gracillariidae family. It is found in the south-eastern Alps, ranging from the Dolomites (Italy) in the west to the Julian Alps (Slovenia) in the east and the Carnic Alps and Lienzer Dolomiten (Austria) in the north. The habitats are related to the dwarf-shrub zone and include subalpine meadows, rock formations and scree with ''Salix''-bushes and shrubs. The species is restricted to limestone with an altitudinal range from about 1,200 to 2,300 meters. The wingspan is 10.5–13 mm. In external appearance adults are is distinguishable from ''Callisto coffeella'' by the forewing pattern. In ''basistrigella'', the sub-basal whitish silvery line of the forewing is almost parallel and lies in the fold, whereas in ''coffeella'' this line is transverse to the wing axis or reduced to a spot. On average, the forewings are slightly narrower than in ''coffeella''. Sexual dimorphism, as observed in ''coffeella'', is absent in ''basistrigella''. Genitalia do not provide obvious diagnostic differences but the length of the phallus is significantly longer in ''basistrigella'' than in ''coffeella''. Adults have been collected during the day, flying around low bushes of alpine ''Salix glabra'' and ''Salix waldsteiniana''. The flight period is largely dependent on exposure and snow coverage and usually extends between early June and late July. ==Etymology== The species name refers to the characteristic wing markings.〔(Integrative taxonomy reveals a new species of Callisto (Lepidoptera, Gracillariidae) in the Alps )〕 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「Callisto basistrigella」の詳細全文を読む スポンサード リンク
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