Black hairstreak butterfly Satyrium pruni
![Black hairstreak butterfly Satyrium pruni natural history illustration by Lizzie Harper](https://lizzieharper.co.uk/wp-content/uploads/2018/09/black-hairstreak-butterfly-satyrium-pruni-500x410.jpg)
Black hairstreak butterfly Satyrium pruni showing brown underwing and perched on a flowering bramble Rubus species
Black hairstreak butterfly Satyrium pruni showing brown underwing and perched on a flowering bramble Rubus species