The Brimstone butterfly (Gonepteryx rhamni) is a species native to the United Kingdom, known for its vibrant yellow wings and distinctive shape. It is one of the longest-lived butterflies in the UK, with a lifespan of up to 12 months, much of which is spent in hibernation during the winter months. This remarkable longevity is facilitated by its ability to hibernate as an adult.

Brimstone butterflies primarily feed on nectar from various flowers, particularly those with tubular structures like thistles and bramble. They are also known to feed on aphid honeydew, a sugary substance produced by aphids. This adaptability in feeding habits contributes to their resilience in various habitats.

These butterflies can be found in a variety of habitats including woodlands, meadows, and gardens, preferring areas with abundant sources of nectar and larval food plants such as buckthorn and alder buckthorn. Their habitat range extends throughout the UK, making them a familiar sight in many regions.

In terms of behaviour, Brimstone butterflies are known for their graceful flight patterns and their habit of basking in the sun to regulate their body temperature. They are also solitary creatures, except during mating season.

Culturally, Brimstone butterflies have been depicted in various artworks, literature, and folklore. Their vibrant yellow colour has been associated with happiness and positivity in many cultures. In English folklore, butterflies, including the Brimstone, are often seen as symbols of transformation and resurrection.

An interesting fact about the Brimstone butterfly is that it is believed to be the species referred to as the “butter-coloured fly” in Shakespeare’s works. This butterfly has also been used as a symbol of conservation efforts, as its presence often indicates a healthy ecosystem. Despite its delicate appearance, the Brimstone butterfly has proven to be a resilient and enduring symbol of natural beauty in the UK.