Pristiphora erichsonii (Hartig, 1837)

larch sawfly

on Larix

Gall

Eggs are deposited in pockets cut into one side of terminal shoots, causing them to curl in a characteristic fashion. The larvae live in groups free on the needles; they strip a branch before moving to another; sometimes casing severe defoliation.

host plants

Pinaceae, monophagous

Larix decidua, gmelinii, kaempferi, laricina, occidentalis, sibirica.

distribution within Europe

(PESI, 2019).

larva

Body dorsally greyish green, ventrally whitish; head shining black.

references

Prous, Kramp, Vikberg & Liston (2017a), Pschorn-Walcher & Altenhofer (2000a).

mod 2.xii.2019