Trioza galii Foerster, 1848

on Galium

Trioza galii gall

Galium aparine, Belgium, Liège, terril Batterie Nouveau; © Jean-Yves Baugnée

Trioza galii

the gall causer (larva)

Trioza galii on Galium palustre

Galium palustre, Belgium, prov. Namur, Doische, Matagne-la-Petite © Stéphane Claerebout

gall

The larvae can be found in a shallow depression at the underside of the leaf; the leaves are somewhat disfigured. One, possibly two generations; hibernation probably as larva.

host plants

Rubiaceae, oligophagous

Asperula cynanchica; Cruciata laevipes; Galium album, anisophyllon, aparine, austriacum, lucidum, mollugo, palustre, parisiense, uliginosum, verum; Rubia peregrina; Sherardia arvensis.

synonyms

Spanioza galii.

references

Baugnée, Burckhardt & Fassotte (2002a), Béguinot (2006a), Boselli (1930a), Buhr (1964b), Burckhardt (1983a, 2002a), Burckhardt & Freuler (2000a), Burckhardt & Lauterer (2006a), Conci, Rapisarda & Tamanini (1996a), Dauphin & Aniotsbehere (1997a), Hansen & Greve (1999a), Hellrigl (2004a), Hodkinson & Hollis (1981a), Hodkinson & White (1979a), Houard (1909a), Lauterer (1993a), Malenkovský & Lauterer (2012a), O’Connor & Malumphy (2011a) Ossiannilsson (1992a), Redfern & Shirley (2011a), Roskam (2009a), Seljak (2006a), Tavares (1905a), White & Hodkinson (1982a).

mod 21.viii.2019