Brimstone (Gonepteryx rhamni)

Male - distinctively yellow.
Male - distinctively yellow.
Female - pale green, similar to
Female - pale green, similar to "whites" at distance.
Male upperside - can only be seen in photos.
Male upperside - can only be seen in photos.
Female upperside - can only be seen in photos.
Female upperside - can only be seen in photos.
Egg on alder buckthorn.
Egg on alder buckthorn.
Larva in the classic mid-leaf position.
Larva in the classic mid-leaf position.
Large larva nearing pupation.
Large larva nearing pupation.
Pupa hanging from a buckthorn leaf - side view
Pupa hanging from a buckthorn leaf - side view
Pupa - dorsal view
Pupa - dorsal view
 
Information

NERC Act S41: Not listed
Local status: Common.
Distributed over whole county.
Size: Large.
Larval foodplant: Buckthorn and Alder Buckthorn.
No. of broods: One.
Flight time(s): New brood emerges in late July and into August and soon hibernates, emerging the following spring to breed. It continues to live until about June, making it one of the longest lived butterflies as an adult at about 10 to 11 months. Numbers dip in July between broods.
Winter: Hibernates as an adult, often in Ivy and other evergreens, including bramble patches.
Habits: Never rests with wings open.
Habitats: May occur anywhere but its larval foodplants occur mostly in scrubby woodland and hedgerows.
Distribution:

Normalized Weekly Abundance


Flight time graph


No. of Adults

Number of adults
No. of 1km Squares

Number of 1km squares
No. of Records

Number of records
No. of Adults per record

Adults per record
Percentage of all adults

Percentage of all adults reported (of all species) in each year
Percentage of all records

Percentage of all butterfly records
No. of adults per 10,000 records

Number of adults in every 10,000 butterfly records (of all species)