Temnocerus nanus (Paykull, 1792)

on Alnus, Betula, Salix

parasite

The adults perform window feeding at th underside the young leaves. Oviposition, usually one egg, in an egg chamber in a terminal leaf bud, that is closed with a wad. The top of the shoot then is partly cut off, providing the larva with the withering top of the shoot as food.

host plants

Betulaceae, Salicaceae, restricted polyphagous

Alnus; Betula; Salix caprea, cinerea, repens, viminalis.

phenology

Hibernation as mature larva in the soil.

distribution within Europe

(PESI, 2019).

synonyms

Pselaphorhynchites nanus.

references

Dieckmann(1974a), Reinheimer & Hassler (2010a).

mod 2.iv.2019