thorax and end of abdomen, dorsal; abd 7th has a transverse ridge at its rear end

abdomen end, ventral; the 7th segment has near its hind margin a triangular elevation bearing some outward pointing spines

Populus nigra, Amsterdamse Waterleidingduinen; cremaster and abd 7, dorsal, of a specimen from an aberrant hostplant

Populus canescens, Naarderbos: after ecdysis the exuvium protrudes halfway out of the mine

See Gregor & Patočka (2001a) and Patočka & Turčáni (2005a) for a description if the pupa.

24.x.2009