Dasineura napi (Loew, 1850)

on Brassicaceae

Dasineura napi: galls on Brassica napus

Brassica napus, Hungary, Mosonmagyaróvár © László Érsek

Dasineura napi: galls on Brassica napus

galls

Dasineura napi:opened gall

opened siliqua

Dasineura napi: larvae

larvae

Dasineura napi: larvae

more in detail

Dasineura napi gall

Sinapis, Belgium, Bruxelles © Jean-Philippe Coppée

gall

The larvae are white and cannot jump; ± larvae in a silique. The species is a pest in crops of oilseed rape. Oviposition mostly in wounds that previously had been made in the pod, in particular by feeding by the weevil Ceutorhynchus obstrictus. Several generations per year; pupation in the soil.

hostplants

Brassicaceae, oligophagous

Berteroa incana; Brassica napus, oleracea, rapa; Camelina sativa; Capsella bursa-pastoris; Coincya monensis subsp. cheiranthos; Diplotaxis tenuifolia; Eruca vesicaria; Erucastrum nasturtiifolium; Raphanus caudatus, raphanistrum & subsp. landra, sativus; Sinapis alba, arvensis.

synonyms

Cecidomyia, Dasineura, brassicae Winnertz, 1853.

notes

Pest insect.

references

Barnes (1946a), Buhr (1964b, 1965a), Dauphin & Aniotsbehere (1997a), Gagné (2010a), Kieffer (1891a), Lambinon, Schneider & Feitz (2001b, 2012a), Redfern & Shirley (2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Simova-Tošić, Skuhravá & Skuhravý (1996a, 2000a, 2004a, 2007a), Simova-Tošić, Skuhravá, Skuhravý & Postolovski (2007a), Skuhravá & Skuhravý (1994a, 1999a, 2012a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý, Dončev & Dimitrova (1991a, 1992a), Skuhravá, Skuhravý & Jørgensen (2006a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a).

mod 31.iii.2018