Nick Upton / Forest caterpillar hunter (Calosoma sycophanta) feeding on a Gypsy moth caterpillar (Lymantria dispar) it has killed in a Holm oak tree, Bacu Goloritze ravine, Baunei, Sardinia, Italy, May.

Nick Upton / Gypsy moth caterpillars (Lymantria dispar) feeding on and decimating Holm oak leaves (Quercus ilex), Bacu Goloritze ravine, Baunei, Sardinia, Italy, May.

Nick Upton / Forest caterpillar hunter (Calosoma sycophanta), a ground beetle hanging upside down as it forages in a Holm oak (Quercus ilex) tree in search of Gypsy moth caterpillar (Lymantria dispar) prey, Bacu G...

Robert Thompson / Gypsy moth larvae (Lymantria dispar) on flower, Catllar, French Pyrenees, France. May

Robert Thompson / Gypsy moth (Lymantria dispar) caterpillar on Clover (Trifolium sp) flower. Catlar, Pyrenees Orientales, south west France. May.

MYN / Dirk Funhoff / Gypsy moth (Lymantria dispar), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

MYN / Dirk Funhoff / Gypsy moth (Lymantria dispar), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

MYN / Dirk Funhoff / Gypsy moth (Lymantria dispar), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

MYN / Dirk Funhoff / Gypsy moth (Lymantria dispar), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

Doug Wechsler / Gypsy moths (Lymantria dispar) females and eggs on tree trunk, Delaware Water Gap, New Jersey, USA July

Doug Wechsler / Chalcidoid wasp (Ooencyrtus kuvanae) resting on Gypsy moth (Lymantria dispar) egg mass, New Jersey, USA. August.

Bernard Castelein / Caterpillar of European Gypsy moth ( Lymantria dispar) on pine branch, Brasschaat, Belgium, July.