Adrian Davies / Oak processionary moth (Thaumetopoea processionea) nest removal from infested Oak (Quercus sp) tree with cherry picker. Surrey, England, UK. July 2018.

Fabrice Cahez / Pine processionary moth (Thaumetopoea pityocampa) mass of caterpillars, Lozere, France, 2018

Ashley Cooper / Pine Processionary Caterpiller (Thaumetopoea pityocampa) silk tent, in pine trees in the Sierra Nevada mountains of southern Spain. May 2011

Adrian Davies / Oak processionary moth (Thaumetopoea processionea) nest on Oak (Quercus robur). Surrey, England, UK. July 2018.

Lorraine Bennery / Pine processionary caterpillar (Thaumetopoea pityocampa) hanging from its silk tent, Alpes-de-Haute-Provence, France, February.

Solvin Zankl / Oak processionary moths (Thaumetopoea processionea) caterpillars feeding on oak tree leaf, Niedersechsische Elbtalaue Biosphere Reserve, Elbe Valley, Lower Saxony, Germany

Solvin Zankl / Oak processionary moth caterpillar (Thaumetopoea processionea) walking in line on oak tree branch, Niedersechsische Elbtalaue Biosphere Reserve, Elbe Valley, Lower Saxony, Germany

Solvin Zankl / Oak processionary (Thaumetopoea processionea) moth caterpillar feeding on oak tree leaf, showing urticating hairs. Niedersechsische Elbtalaue Biosphere Reserve, Elbe Valley, Lower Saxony, Germany

Solvin Zankl / Oak processionary (Thaumetopoea processionea) moth on oak tree leaf, showing urticating hairs. Stettin Lagoon, Bay of Szczecin, Germany

Solvin Zankl / Oak processionary (Thaumetopoea processionea) moth caterpillars, on oak tree branch. Niedersechsische Elbtalaue Biosphere Reserve, Elbe Valley, Lower Saxony, Germany

Adrian Davies / Oak Processionary Moth (Thaumetopoea processionea) nest of larvae on bark of Oak tree (Quercus robur) Surrey, UK, July

Adrian Davies / Oak processionary moth (Thaumetopoea processionea) Nest of larvae on bark of Oak tree Surrey, UK, July.