Bulb flies such as narcissus bulb fly, are flies in the family syrphidae. Syrphid flies are generally considered beneficial insects but the larvae of bulb flies mine into plant bulbs and can be major pests in commercial bulb prodution.
Resources
Narcissus bulb fly. Pacific Bulb Society
Narcissus bulb fly. Pacific Northwest Insect Management Handbook.
Narcissus bulb fly. Colorado Insect of Interest. Colorado State University.
Flowering Bulb Insect Pests. Clemson University. <22 May 2017>
Orginal publication: 5-15-2013
Latest update: 5-22-2017
Author: R.L. Rosetta, Extension Nursery Integrated Pest Management, Department of Horticulture, Oregon State University
