Trioza agrophila Löw, 1888

on Cirsium

gall

leaf margins curled and inrolled downwards; the leaf is somewhat pale and thickened. At the underside pale yellowish nymphs, sometimes with a greenish tinge, dorsally with long, curved wax filaments.

hostplants

Asteraceae, narrowly monophagous

Cirsium arvense, palustre.

synonyms

Trioza cardui Linnaeus: Houard, 1909.

references

Buhr (1964b), Burckhardt (1983a, 2002a), Burckhardt & Thaler (1989a), Conci, Rapisarda & Tamanini (1996a), Dauphin & Aniotsbehere (1997a), Hellrigl (2004a), Houard (1909a), Malenkovský & Lauterer (2012a), Ossiannilsson (1972a, 1992a), Ouvrard (2014), Tomasi (2014a).

mod 26.vii.2018