Publications for:

pest = Delia antiqua
crop = Onion/garlic/leek (Allium)
country = Canada (east)

found 2 publications:

2020

Oviposition, feeding preferences and distribution of Delia species (Diptera: Anthomyiidae) in eastern Canadian onions
Insects (2020) 11 (11 - 780)
publishers website - pestinfo wiki

1982

Forecasting events in the life cycle of the onion maggot, Hylemya antiqua (Diptera: Anthomyiidae): Application to control schemes
Environmental Entomology (1982) 11 (3), 751-755
pestinfo wiki