All images on this website have been taken in Leicestershire and Rutland by NatureSpot members. We welcome new contributions - just register and use the Submit Records form to post your photos. Click on any image below to visit the species page. The RED / AMBER / GREEN dots indicate how easy it is to identify the species, particularly from a photo. See our Photo ID page for more information.

For more information, useful books and web links, plus tips on recording this group, see our Resources section.

These minute insects have narrow bodies and usually feather-like wings. They collect in large numbers on flowers and may be found in houses, sometimes trapped beneath the glass of framed pictures. They are commonly called 'thunderflies' as they take to the air in still, thundery weather.