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''Eriocraniella mediabulla'' is a moth of the Eriocraniidae family. It was described by Davis and Faeth in 1986. It is found in northern Georgia, northern Florida, southern Louisiana and north-eastern Texas.〔(A new Oak-Mining Eriocraniid Moth from Southeastern United States (Lepidoptera: Eriocraniidae) )〕 The length of the forewings is 3.8-4.1 mm for males and 3.3-3.7 mm for females. The forewings are uniformly black with a distinct golden to sometimes bluish luster. The hindwings are slightly paler and fuscous with a distinct purplish luster along the costal half. Adults are on wing from early March to mid April in one generation per year. The larvae feed on ''Quercus nigra'', ''Quercus falcata'' and possibly ''Quercus alba'', ''Quercus hemisphaerica'' and ''Quercus virginiana''. They mine the leaves of their host plant. The mine starts as a serpentine mine in the upper epidermis of the leaf, proceeding along the leaf edge to the apical portion of the leaf where a full-depth, blotch-shaped mine is produced. Full-grown larvae cut a hole in the lower leaf surface and drop to the soil surface. There, they burrow into the soil and spin a cocoon. ==Etymology== The specific name is derived from Latin ''media'' (meaning middle) and ''bulla'' (meaning knob) and refers to the diagnostic midventral, knoblike process on the vinculum of the male. 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「Eriocraniella mediabulla」の詳細全文を読む スポンサード リンク
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