Psylla alpina Förster, 1848
on Alnus
parasite
Larvae, concealed by by mass of white wax, at the thin twigs.
hostplants
Betulaceae, narrowly monophagous
Alnus viridis.
references
Buhr (1964b), Burckhardt (1983a, 2002a), Burckhardt & Kofler (1991a), Conci, Rapisarda & Tamanini (1992a), Hellrigl (2004a), Hodkinson (2009a), Ouvrard, Burckhardt & Cocquempot (2015a), Seljak (2006a, 2020a).