List of moths of Great Britain (Thaumetopoeidae)

The family Thaumetopoeidae—the "processionary moths"—comprises about 100 species, of which three have been recorded in Great Britain:
 * Thaumetopoea pityocampa, pine processionary — probably rare immigrant (otherwise imported)
 * Thaumetopoea processionea, oak processionary — immigrant
 * [ Trichocercus sparshalli, local long-tailed satin — probably imported (Australian species) ]