Ceutorhynchus obstrictus (Marsham, 1802)

cabbage seed pod borer

on Brassicaceae

parasite

The female deposits her eggs in developing siliquae; the larvae feed on the seeds. Pupation in the soil; univoltine.

host plants

Brassicaceae, broadly oligophagous: actually on all species with not too small siliquae

Brassica juncea, napus, nigra, rapa; Cardaria draba; Raphanus sativus; Sinapis alba.

phenology

Larvae from May on.

distribution within Europe

All of Europe (PESI, 2018).

parasitoids, predators

Anaphes arenbergi, brachygaster, cultripennis, fuscipennis, regulus, tarsalis; Aprostocetus semidesertus; Chlorocytus diversus; Euderus albitarsis; Eupelmus vesicularis; Eurytoma curculionum; Mesopolobus gemellus, incultus, morys; Pteromalus semotus; Stenomalina gracilis; Tetrastichus rebezae; Trichomalus bracteatus, perfectus.

synonyms

Because of an unhappy conflict in the nomenclature, this species was long known as C. assimilis. Now that name is applied to another species that is equally common and noxious, but has a completely different biology.

notes

Important pest in the canola oil production

references

Colonnelli (1990a), Delbol (2008a, 2013a), Fusu (2017a), Hoebeke & Griffin (2015a), Kovács, Kaasik, Kaart, ao (2017a), Muller, Dosdall, Mason & Kuhlmann (2011a), Todorov, Ljubomirov & Peneva 2022a), Rheinheimer & Hassler (2010a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).