Pest Management Fact Sheet #5031 Onion Maggot larva, pupa, and adult James F. Dill, Pest Management Specialist Clay A. Kirby, Insect Diagnostician For information about UMaine Extension programs and resources, visit extension.umaine.edu. Find more of our publications and books at extension.umaine.edu/publications/. Description & Biology The onion maggot (Delia antiqua) is
