Gephyraulus raphanistri (Kieffer, 1886)

on Brassicaceae

Gephyraulus raphanistri: galls on Raphanus raphanistri

Raphanus raphanistrum, Loenen (Ge), 28.viii.2019 © Arnold Grosscurt: healthy and infected flowers compared

Gephyraulus raphanistri: gall on Raphanus raphanistri

opened gall

Gephyraulus raphanistri: gall on Raphanus raphanistri

the larvae are greyish white, dull

Gephyraulus raphanistri: galls on Raphanus raphanistri

11.ix.2019: normal and galled flower, dissected

Gephyraulus raphanistri: galls on Raphanus raphanistrum

Raphanus raphanistrum, France, dép. Morbihan, Quiberon 22.v.2013 © Sébastien Carbonnelle

Gephyraulus raphanistri: larvae

larvae

Gephyraulus raphanistri: galling flowers of Coincya monensis

Coincya monensis, Belgium, prov. Antwerp, Dessel, 2.viii.2013 © Carina Van Steenwinkel

Gephyraulus raphanistri: galling flower of Coincya monensis

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

Gephyraulus raphanistri: spatula

prosternum with spatula (from Möhn, 1955a)

synonyms

Cecidomyia, Dasineura, Dasyneura, raphanistri.

references

Barnes (1946a), Béguinot (2006a), Buhr (1964b, 1965a), Cogolludo (1921a), Gagné (2010a), 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), 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).

mod 16.ix.2019