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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

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.