Definition of bulb fly in English:

bulb fly

noun

单词	bulb fly
释义	Definition of bulb fly in English: bulb fly noun A hoverfly that resembles a bumblebee, with larvae that are pests of daffodil bulbs. 球答根蜂蝇 Merodon equestris, family Syrphidae Example sentencesExamples Daffodils may be attacked by bulb flies or the Narcissus nematode, a microscopic organism in the soil. A few species of syrphid flies, known as bulb flies, develop by feeding on and tunneling into plant tissues. Regardless, the earlier you can pull your bulbs out, the better the chance that you will avoid bulb flies. 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.
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