Trioza thomasii Löw, 1888
on Homogyne
gall
hollow protuberance at the upperside of the leaf; at the underside a larva.
hostplants
Asteraceae, monophagous
Homogyne alpina.
references
Buhr (1964b), Burckhardt (2002a), Conci, Rapisarda & Tamanini (1996a), Hellrigl (2004a), Houard (1909a [“thomasi”]).