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

Allium.

phenology

One to several generations, depending in the climate; hibernation as pupa.

distribution within Europe

(PESI, 2018).

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).