Comarum palustre, Belgium, prov. Luxembourg, Arlon, Landbruch; © Jean-Yves Baugnée

gall

the leaves are hardly disfigured, but a slight change of colour is discernable. The larvae are oval, strongly depressed, and have along the outline of their a seam of extending threads of wax. Eggs, if present, stand on a stalk about as long as the egg itself.

host plants

Rosaceae, monophagous

Comarum palustre.

Records of Alchemilla xanthochlora were incorrect.

phenology

Bivoltine; hibernation as imago, mainly on conifers.

synonyms

Trioza acutipennis.

references

Baugnée, Burckhardt & Fassotte (2002a), den Bieman, Malenovský, Burckhardt & Heijerman (2019a), Buhr (1964b), Burckhardt (1983a, 2002a), Hodkinson (2009a), Hodkinson & White (1979a), Houard (1908a), Lauterer (1982a), Ossiannilsson (1992a), Redfern & Shirley (2011a), Seljak & Malenkovský (2014a), White & Hodkinson (1982a).