Definition of bulb fly in English:
A hoverfly that resembles a bumblebee, with larvae that are pests of daffodil bulbs.
- Merodon equestris, family Syrphidae
- Daffodils may be attacked by bulb flies or the Narcissus nematode, a microscopic organism in the soil.
- Insecticides are recommended if you've had an infestation of narcissus bulb flies or gladiolus thrips.
- Aphids and bulb flies can be controlled by spraying with sprays such as pest oil, Pyrethrum, Maldison or Rogor.