Red Admiral

  • National Status: Found almost anywhere in the UK. Primarily a migrant but now overwintering in southern England. Population trend 10 years -40%; since 1976 +257%. Numbers fluctuate depending on number of migrants reaching UK each year.
  • West Midlands Status: In almost every tetrad, range stable. Population trend 10 years – decreasing.
  • Hotspots: Gardens and orchards especially in autumn.
  • Habitat: Can be found almost anywhere.
  • Flight Period: Most migrants arrive in May and June although they may also be seen earlier in the year. The single brood may emerge at any time between mid-August and late September, even into October.
  • Wingspan Male 64–72 mm, female 70–78 mm.

Caterpillar Food Plant – The main foodplant is Common Nettle (Urtica dioica). Hop (Humulus lupulus), Pellitory-of-the-wall (Parietaria judaica) and Small Nettle (Urtica urens) are also used

Life Cyclecycle

  • The Charts show the distribution over the last 5 years – complete coverage 2020 to 2025
  • The Population Trend from Transect Records considered significant increase – 2021to 2025
  • Phenology from Transect Records

Members Photographs

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