Delia radicum (Linnaeus, 1758)

cabbage maggot, turnip fly

on Brassicaceae

cephalic skeleton (from Dušek)

puparium

parasite

Several larvae bore in the root collar, causing the tissue to rot. One or more generations, depending on the climate, hibernation as puparium in the ground.

host plants

Brassicaceae, oligophagous

Brassica; Raphanus.

distribution within Europe

(PESI, 2018).

egg, larva, puparium

all stages are described and illustrated by Dušek and Savage ao.

synonyms

Phorbia brassicae (Bouchée, 1833).

notes

Important pest insect.

references

Dušek (1969a), Savage, Fortier, Fournier & Bellavance (2016a), Spooner & Bowdrey (2012a).