Delia antiqua (Meigen, 1826)
onion maggot
on Allium
3rd instar larva cephalic skeleton (from Dušek)
puparium
parasite
Up to tens of larvae together bore in a bulb; pupation in the ground.
hostplants
Amaryllidaceae, monophagous
phenology
One to several generations, depending in the climate; hibernation as pupa.
distribution within Europe
egg, larva, puparium
All stages are described and illustrated by Dušek and Savage ao.
notes
Important pest insect.
references
Dušek (1969a), Huckett (1971a), Savage, Fortier, Fournier & Bellavance (2016a).