Caption
Aerial photograph of aftermath of consecutive outbreaks of Autumnal moth (Epirrita autumnata) and Winter moth (Operophtera brumata), whose larvae feed on tree foliage. Sor-Varanger, Finnmark, Norway. August. Warmer and drier climate reduces tree defense abilities, making forests more vulnerable to insect attacks. non-ex.
Availability
Only inBelgium, Canada, France, Luxembourg, Switzerland