This one made a summer night visit to the room and tried to escape by banging against the ceiling. What is it? I found nothing which corresponds, though "horse fly" might be a close match.
- Location: Central Europe, Luxembourg
- Locality: Where the suburb morphs into the not-yet-conquered countryside
- Time: Late August, Nighttime
- Weather: Quite warm (~27°C). Dry.
Here is an MP4 of the beast: https://i.imgur.com/F5yqMQ8.mp4
It is about 2 cm (0.8 inch) large. Relatively plump, keels over and likes to clean itself a lot.
Large head, large eyes, a bit hairy, two black stripes
Once it falls on its back it wallows a bit, there is clearly a probabilistic algorithm to get itself out of the predicament: