About Frit Fly
A tiny fly that is a major pest of oat crops and ryegrass. Larvae bore into plant stems causing 'dead heart'. Named from the Swedish word for grain. Multiple generations per year.
Did You Know?
Despite being only 1.5mm long, it can destroy entire crops of oats by killing the growing shoot inside each stem.
Distribution
Where Frit Fly can be found
Seasonal Activity
Peak activity
Moderate
Low / dormant
Cite This Page
APA:
Orbitrock. (2026). Frit Fly (Oscinella frit). Retrieved from https://orbitrock.com/insect/frit-fly
MLA:
"Frit Fly." Orbitrock, https://orbitrock.com/insect/frit-fly.