Contarinia nicolayi (Rübsaamen, 1895)
on Heracleum

Heracleum sphondylium, Belgium, prov. Antwerp, Mol © Carina Van Steenwinkel

several flower buds are disfigured and enlarged

the buds contained 1-3 larvae; Carina wrote that upon disturbance they rather easily left the galls; they could jump
gall
The flowers are swollen, deformed, and remain closed. Often several flowers in an umbel are galled. In a gall one or several white or pale yellow, shining, larva, that can jump. Multivoltine. Pupation in the ground.
host plants
Apiaceae, monophagous
Heracleum sphondylium.
synonyms
Eudiplosis nicolayi. The spellings nikolayi and nicolyi are incorrect.
references
Béguinot (2000b, 2006c), Bruun, Haarder, Jørgensen & Skuhravá (2014a), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Gagné & Jaschhof (2014a), Hansen, Hattendorf, Wittenberg ao (2006a), Houard (1909a), Redfern & Shirley (2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Rübsaamen (1895b), Shepard (0000a), Skuhravá & Skuhravý (1999a, 2005b, 2006a, 2010a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý, Dončev & Dimitrova (1991a, 1992a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a).