Big hoverfly

Big hoverfly

Observation - Big hoverfly - UK and Ireland. Description: Large, fat overfly in riverine marshland. One of several around on the day. I observed a male fanning his wings and making a droning sound as he courted a female.

Large, fat overfly in riverine marshland. One of several around on the day. I observed a male fanning his wings and making a droning sound as he courted a female.