Hazel-aphid
Guides
Corylobium
Corylobium is a genus of aphids in the family Aphididae, established by Mordvilko in 1914. The genus is known from Europe, with distribution records from Denmark, Norway, and Sweden. At least one species, Corylobium avellanae, has been described. As members of Aphididae, these are sap-feeding insects.