Fire bugs

The sun is out today – and so are the Fire Bugs

European Fire Bugs (Pyrrhocoris apterus) are known to gather in large numbers in the spring, usually on the sunny side of buildings, trees or rocks. This behavior is related to their reproduction cycle. I spotted these at the base of a lime tree.

Fire Bugs like to congregate in large masses in the Spring
Fire Bugs (Pyrrhocoris apterus)

During the winter months, Fire Bugs hibernate in crevices and cracks in buildings, trees, and rocks. As the weather starts to warm up in spring, the bugs emerge from their hiding places and start to mate. The gathering of large numbers of bugs in one place increases the chances of finding a suitable mate.

The bugs also require warmth to become active and reproduce, and sunny areas provide the necessary warmth. This is why they often cluster on the sunny sides of buildings, where the heat is most intense.

Additionally, the abundance of food sources in the springtime also contributes to their mass gathering behavior. As the plants start to grow and bloom, Fire Bugs can feed on their sap and reproductive parts, which provides the necessary nutrition for their mating and egg-laying activities.

Have you seen any of these attractive little insects?


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