Gypsonoma oppressana
Gypsonoma oppressana
Adult • Devil's Spittleful, Worcs. • © Oliver Wadsworth

49.280 BF1170
Gypsonoma oppressana

(Treitschke, 1835)

Wingspan c. 14mm.

A relatively local species, occurring sporadically throughout England, this moth flies during June and July in a single generation.

The larva feeds on poplar (Populus), initially grazing the underside of a leaf, from within a silken tube which becomes covered with frass.

The larva then overwinters, and in spring feeds internally on leaf buds. The presence of a larva can be established by a frass-covered silken tube protruding from the entrance hole to the bud.
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