Euura umbrata (Thomson, 1871)
on Alnus, Betula, Corylus
parasite
Larvae free on the leaves.
host plants
Betulaceae, oligophagous
Alnus viridis; Betula pendula, pubescens; Corylus avellana.
distribution within Europe
synonyms
Nematus umbratus; Pteronidea umbrata; P. collina (Cameron, 1882).
references
Macek (2012c), Pschorn-Walcher & Altenhofer (2000a), Schedl (1976a), Stritt (1939a, 1952a), Taeger, Altenhofer, Blank, ao (1998a).