Parornix polygrammella (Wocke, 1862)

Lepidoptera, Gracillariidae

mine

Small, lower-surface, tentiform mine. After the larva has left the mine it folds a leaf downwards over the midrib and consumes it up to the epidermis. (Bengtsson & Johansson, 2011a, write that the final instar larva rolls the leaf into a tube.)

hostplants

Betulaceae, monophagous

Betula nana.

phenology

Occupied mines in early-August (Wocke, 1862a).

distribution within Europe

Fennoscandia, Estonia, northern Russia _and_ France (Fauna Europaea, 2009).

larva

Body dirty grey-green; head dark brown; prothoracic plate dirty light green with four small brown lenght lines; anal plate slightly darker than the ; thoracic feet green-brownish (Wocke, 1862a).

references

Bengtsson & Johansson (2011a), Hering (1957a), Viramo (1962a), Wocke (1962a).

09/11/2011

mod 28.vi.2017