Trioza rotundata Flor, 1861
polyphagous
larva (from Conci & Tamanini, 1987a)
parasite
larvae in shallow pits at underside of the leaves; at the other side a low dimple. Larvae flat, almost circular, surrounded by a circle of radiating wax threads. Young larvae are light ochreous in colour, older are darker, and then very hygrophilous. Univoltine, hibernation as imago in conifers.
hostplants
Restricted polyphagous
Cardamine amara, hirsuta, impatiens, opizii, uliginosa; Nasturtium officinale; Saxifraga aizoides; Stellaria nemorum.
Conci & Tamanini (1987a) suppose that under normal circumstances Cardamine species are the actual host plants.
references
Buhr (1965a), Burckhardt (2002a), Burckhardt & Lauterer (2002a), Conci, Rapisarda & Tamanini (1996a), Conci & Tamanini (1987a, 1991a), Hellrigl (2004a), Seljak (2006a, 2020a).