Gephyraulus raphanistri (Kieffer, 1886)
on Brassicaceae
Raphanus raphanistrum, Loenen (Ge), 28.viii.2019 © Arnold Grosscurt: healthy and infected flowers compared
opened gall
the larvae are greyish white, dull
11.ix.2019: normal and galled flower, dissected
Raphanus raphanistrum, France, dép. Morbihan, Quiberon 22.v.2013 © Sébastien Carbonnelle
larvae
Coincya monensis, Belgium, prov. Antwerp, Dessel, 2.viii.2013 © Carina Van Steenwinkel
galled flower
gall
The flower buds are galled and swollen, partly reddened, and do not open. Larvae gregarious, dull, whitish, cannot jump. Bivoltine; hibernation and pupation in the ground.
host plants
Brassicaceae, oligophagous
Brassica barrelieri, napus, oleracea, rapa; Coincya monensis & subsp. cheiranthos, wrightii; Diplotaxis muralis, tenuifolia; Eruca vesicaria; Erucastrum gallicum, nasturtiifolium; Hirschfeldia incana; Myagrum perfoliatum; Raphanus raphanistrum, sativus; Sinapis alba, arvensis; Sisymbrium altissimum.
Raphanus raphanistrum is the most important hostplant by far.
larva
prosternum with spatula (from Möhn, 1955a)
synonyms
Cecidomyia, Dasineura, Dasyneura, raphanistri.
references
Barnes (1946a), Béguinot (2006a), Buhr (1964b, 1965a), Cogolludo (1921a), Gagné (2010a), Grosscurt (2022b), Houard (1908a), Kieffer (1891a), Máca (2012a)m Möhn (1955a), Redfern & Shirley (2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Sánchez, Skuhravá & Skuhravý (2012a), Simova-Tošić, Skuhravá & Skuhravý (1996a, 2000a), Skuhravá & Skuhravý (1997a, 2005c, 2010a, 2021a: 220), Skuhravá, Skuhravý, Blasco-Zumeta & Pujade-Villar (2006a),Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý, Dončev & Dimitrova (1991a, 1992a), Skuhravá, Skuhravý & Jørgensen (2006a), Skuhravá, Skuhravý & Kettani (2017a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a), Sylvén & Solinas (1989a), Tavares (1905a), Tomasi (2014a).