em>Rosa tomentosa, France, Hautes Alpes, Vallée de la Clarée, Bois de Boulogne; from van Nieukerken & Berggren (2011a).

mine

Egg at the underside of the leaf. From there runs a strongly contorted, narrow, under-surface corridor that suddenly widens into a relatively large, full depth blotch. Frass in the gallery in a thick, interrupted brown to black line; darker, and more dispersed in the blotch. Pupation external in a cocoon (lower right picture); exit slit upper-surface.

hostplants

Rosaceae, monophagous

Rosa tomentosa, cf majalis.

phenology

Univoltine; larvae were collected in mid-August.

distribution within Europe

French Alps and Norway: boreo-alpine disjunct distribution.

larva

Very pale greenish white, head light brown, ventral ganglia inconspicuous, young larvae without ventral plates. Like is the rule in Ectoedemia, the larva lies venter-upwards in the mine.

references

van Nieukerken & Berggren (2011a).

22/08/2013