Seedcorn maggot fly
- Adult: Small, gray, bristly fly with black legs. It is less than ¼" long.
- Larvae: White to yellow-white maggot with tough skin, pointed head and round tail.
- Eggs: Laid singly or in clusters in moist soil. Each female lays an average of 270 eggs.
Timing of damage: VE to V2
Type of damage: Maggot burrows into seeds and destroys the germ.
Scouting: Dig up ungerminated seeds and check for maggots.
Economic threshold: None established. Use of a seed treatment is advised.