Trioza senecionis (Scopoli, 1763)

on Adenostyles, Senecio

gall

the leaf disc with small depressions at the underside, and corresponding tiny bulges at the upper side. In each cavity one flat larva. Univoltine, hibernation as adult in conifers.

hostplants

Asteraceae, oligophagous

Adenostyles allariae; Senecio nemorensis, ovatus.

references

Buhr (1964b), Burckhardt (1983a, 2002a), Conci & Tamanini (1991a), Drohojowska & Głowacka (2011a), Hellrigl (2004a), Malenkovský & Lauterer (2012a), Ouvrard, Burckhardt & Cocquempot (2015a), Seljak (2006a, 2020).