Opomyza is on the rise, but do not rush to spray

摘要

A cereal pest causing similar symptoms to wheat bulb fly is attacking crops in eastern and northem counties in the highest numbers seen for a decade. But growers are being warned not to msh to spray. Yellow cereal fly, opomyza, can easily be mistakenfor wheat bulb fly as the larvae are present at the same time, between January and May. Symptoms are also similar, with "deadhearts" developing due to the death of the central shoot.