Acrossus depressus
This dung beetle is about 6 mm long and can be very variable in colour, ranging from specimens with rust red elytra and black thorax, to all black forms. The top of the pronotum is evenly covered with fine punctures.

Unless identified by a recognised expert, a photo is required even for aggregate records, and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.
Often found in herbivore dung, but flies well and is sometimes attracted to light.
Best time to see it is summer and autumn, with a peak around August.
Widespread and fairly frequent in Britain becoming more frequent north of the Thames.
Fairly frequent in Leicestershire and Rutland.
Leicestershire & Rutland Map
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015