Woodland Trust

Nature's CalendarNature Detectives

Keep your eyes peeled for the first snowdrop flowers opening - record them on our survey!

Brimstone. Christopher Rootebrimstone

Gonepteryx rhamni

  • Female has pale green wings
     
  • Male has lemon-yellow wings - the origin of the word ‘butter’fly
     
  • Both have a small orange spot on each wing 

Download our brimstone fact sheet.

brimstone fact sheet

  
Where found

Light woodland, bushy areas.

Larvae feed on buckthorn.

Found throughout the British Isles, except Scotland.
 

When to look for

  • Often first butterfly to appear after winter.
     
  • Hibernating specimens reappear in early spring, from late March/early April.
 

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