narcissus bulb fly
nounDefinition of narcissus bulb fly
1
: a large yellow and black hairy syrphid fly (Merodon equestris) that resembles a small bumblebee, is native to Europe but now widespread in the U.S., and has a yellowish or whitish larva that bores in and destroys the bulbs of various plants (as narcissus, amaryllis, hyacinth)
— called also greater bulb fly
2
: lesser bulb fly