Nests of the Pine Processionary Caterpiller (Thaumetopoea pityocampa) in pine trees in the Sierra Nevada mountains of Andalucia, southern Spain, Europe

spain andalucia sierra nevada tree pine tree nest damage pest insect moth caterpillar pine processionary moth pine processionary caterpillar thaumetopoea pityocampa silk climate change day outdoors nature natural world animals insects moths caterpillars trees pines andalusia europe nests pests horizontal