Urophora cardui (Linnaeus, 1758)
canada thistle gall fly
on Cirsium
Cirsium arvense, Flevoland, Reve-Abbertbos, 8.viii.2016 © Hans Jonkman
Cirsium arvense, Belgium © Jean-Yves Baugnée
Cirsium arvense, Wellerlooi, 2.viii.2011
Cirsium arvense, Biddinghuizen, Spijk- en Bremerbergbos, 10.viii.2016 © Hans Jonkman; here not the stem is galled, but the midrib of a leaf
Cirsium arvense, Tilburg, de Blaak, 23.viii.2006 larvae sticks with its rear end out if its tunnel in the gall
three larvae (one still without black rear end) and an ectoparasitoid
Cirsium arvense, France, dépt. Pas-de-Calais, Saint-Josse, 25.viii.2023 © Pierre Duhem
opened gall
host plants
Asteraceae, narrowly monophagous
Cirsium arvense, creticum, oleraceum.
synonyms
Euribia cardui.
inquilines
references
Baugnée (2006a,c), Béguinot (2001c, 2002a), Bellmann (2012a), Blanes-Dalmau, Caballero-López & Pujade-Villar (2017a), Buhr (1964b), Chinery (2011a), Dauphin & Aniotsbehere (1997a), Deckert & Deckert (2016a), Dietrich (2016a), Dirlbeck & Dirlbeck (1994a), Flügel (2016a), Ilie & Marinescu (2011a), Houard (1909a), Klasa, Kaczorowska & Soszyński (2011a), Klasa & Palaczyk (2020a), Koops (2013a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon, Schneider & Feitz (2001b), Lehmann & Flügel (2012a), Lehmann & Hannover (2016a), Lutovinovas (2014a), Marshall (2017a), Niblett (1940a), Redfern & Shirley (2011a), Smit (2010a), Spooner & Bowdrey (2012a), Stănescu (2009a), Tomasi (2014a), Tóth (1969a), White (1988a), White & Korneyev (1998a).