Special features: The uppersides of the wings are mostly brown. The male black hairstreak has some orange spots on the back edge of the hind wings. There is also a bluish scent patch on the forewings. The female black hairstreak has some additional orange spots on the forewings.
The black hairstreak is similar to the white-letter hairstreak except the undersides of the wings have a row of black dots fringing the outside edges (see photo above).
Latin name: Strymonidia pruni
Size: Wingspan approximately 32mm.
Distribution: Found in the Midlands of England in a line running roughly between Oxford and the Wash.
Months seen: June and July.
Habitat: Hedgerows, woodland edges and rides.
Food: Caterpillars feed on blackthorn.