Janetia plicans (Kieffer, 1909)

on Quercus

gall

Leaf margin folded or rolled downwards, strongly hypertrophied and intensely red; of a vivid red lengthwise fold that extends below; leave curled. Yellowish larvae at the underside; spatula without a stem, the two lobed separated by a concave excision.

hostplants

Fagaceae, narrowly monophagous

Quercus cerris.

synonyms

Arnoldia plicans.

references

Gagné (2010a), Kieffer (1909a), Skuhravá & Skuhravý (1994a, 1997b), Skuhravá, Skuhravý & Dengler (1997a).