Blue angle

Purple Hairstreak 

Purple Hairstreak 

Purple Hairstreak

  • National Status: Mainly a butterfly of southern England but also found in parts of Wales and Scotland, range expanding.Population trend 10 years -10%; since 1976 -54%.
  • West Midlands Status: Scattered colonies throughout the region, range stable.Population trend 10 years – decreasing but transects are not a reliable way of monitoring this butterfly.
  • Hotspots: Anywhere with oak Quercus spp. trees. Wyre Forest and Monkwood often have good numbers. Sites:  Highgate Common,  Monkwood
  • Habitat: Woodlands, parks, hedges and gardens. An individual oak tree can support a colony. Spends most of the time in the tree canopy.
  • Flight Period: Late June to end August 
  • Wingspan: 31–38 mm, unusually males slightly larger than females.

Caterpillar Foodplant – The main foodplants are Pedunculate Oak (Quercus robur), Sessile Oak (Quercus petraea) and Turkey Oak (Quercus cerris). Evergreen Oak (Quercus ilex) is also used..

Purple Hairstreak Life Cycle

Click on the image

Above
The Charts show the distribution over the last 5 years incomplete coverage (may be overlooked)
The Population Trend from Transect Records considered stable
Phenology from Transect Records