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
distribution within Europe
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).