Eriocraniella mediabulla

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Eriocraniella mediabulla
Scientific classification
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E. mediabulla
Binomial name
Eriocraniella mediabulla
Davis & Faeth, 1986

Eriocraniella mediabulla is a moth of the family Eriocraniidae. It was described by Davis and Faeth in 1986. It is found in northern Georgia, northern Florida, southern Louisiana and north-eastern Texas. [1]

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.

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References