Hainault Forest
GEOMETRIDAE
Small Tortoiseshell
Aglais urticae
TQ4792 13/01/2026 ©Raymond Small

Winter Moth

Operophtera brumata


One of the few moths to embrace the chill of winter. With a penchant for the night flying, these light brown moths are often spotted resting on tree trunks during winter days. The females, with their short wings, were not meant for flight, but they had a splendid way of reaching new heights. They climb tree trunks, filling the air with sweet pheromones to beckon their gallant male counterparts. Once the moment is right, they lay their eggs on bark which remain dormant until spring. When the little green caterpillars hatch they are ready to munch on the tender leaves of broad-leaved trees.

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