Tachinid Fly

Tachinid Fly

Observation - Tachinid Fly - UK and Ireland. Description: Tachina grossa is a huge, bristly fly and can often be overlooked as a bumblebee. Its grubs are parasitic on large caterpillars such as Fox Moth. The adults feed on flowers in summer - in this case Wild Marjoram.

Tachina grossa is a huge, bristly fly and can often be overlooked as a bumblebee. Its grubs are parasitic on large caterpillars such as Fox Moth. The adults feed on flowers in summer - in this case Wild Marjoram.