What is a "brimstone"?

Brimstone is a unique and distinctive species in Europe and parts of Asia. This butterfly is renowned for its vibrant yellow wings, characteristic of both males and females. With a wingspan of around 5 to 6 centimeters, the brimstone butterfly is a medium-sized species that can be easily recognized in flight or at rest. It is one of the earliest butterflies to emerge in the spring, often coinciding with the blossoming of flowers. Brimstone is well adapted to a variety of habitats, including woodlands, meadows, and gardens, where it feeds on nectar from a range of flowering plants.