Geum montanum, Austria, 2000 m; from Klimesch (1980a)

mine

Egg at the underside of a leaf close to the ground. The mine is a corridor, rather contorted at first, strongly broadened towards the end. Frass initially in a coarse, often interrupted central line, broadly scattered in the later part of the mine. The mines sometimes are hard to distinguish from those of St. pretiosa.

hostplants

Rosaceae, monophagous

Geum montanum.

phenology

Mines in the second half of July (usually mid September to mid October in St. pretiosa) (Johansson ao, 1990a).

distribution within Europe

Austrian Alps, above 1700 m (Johansson ao, 1990a).

larva

Yellow.

references

Johansson ao (1990a), Klimesch (1940b, 1981a) A & Z Laštuvka (1997a), Maček (1999a), van Nieukerken (1986a), van Nieukerken, Mutanen & Doorenweerd (2012a).