Nematus ribesii (Scopoli, 1763)

imported currantworm, gooseberry sawfly

on Ribes

parasite

A number of oval eggs in inserted as a string just below the epidermis of the underside of the midrib. The larvae live free on the leaves; at first they make small holes in the lamina, later the feed communally at the leaf margins, in the end only leaving the major veins.

host plants

Grossulariaceae, monophagous

Ribes rubrum, uva-crispa.

phenology

Several generations per year; hibernation as a prepupa in the soil.

distribution within Europe

(PESI, 2019).

references

Beneš & Holuša (2015a), Benson (1961a), Buhr (1965a), Pschorn-Walcher & Altenhofer (2000a, Roskam.

mod 12.xii.2019