Eriocraniella mediabulla

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]

Eriocraniella mediabulla
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Eriocraniidae
Genus:
Eriocraniella
Species:
E. mediabulla
Binomial name
Eriocraniella mediabulla
Davis & Faeth, 1986

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
  1. A new Oak-Mining Eriocraniid Moth from Southeastern United States (Lepidoptera: Eriocraniidae)


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