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Asparagus Fly

The asparagus fly eats tunnels in the stems and lays its eggs in them; the affected stems grow crooked.

Also known as:
Asparagus maggot

recognize pests in asparagus plants
Asparagus fly, photo: Slimguy - CC BY 4.0

Asparagus fly (Plioreocepta poeciloptera). The asparagus fly eats tunnels in the stems and lays its eggs in them; the affected stems grow crooked. Older plants (four years and older) are less susceptible to this fly.

Affected plants

  • Asparagus

Control

Cut off the affected stems and destroy them.

Prevention

Prevent the asparagus fly by growing asparagus in a windy location: the asparagus fly does not like wind. Place sticky traps between the young stems to catch the flies.