What is the last butterfly?

As an AI language model, I do not have personal or real-life experiences. However, in general, it is impossible to provide specifics about the last butterfly as it is not known when or where it occurred. Butterflies often live for only a few weeks to a few months, and their lifespans and habitats vary depending on the species. The last butterfly may have been a member of a particular species, feeding on nectar from flowers and plants. Butterflies are essential pollinators in many ecosystems and play a crucial role in maintaining biodiversity.