gypsy moth

US /ˈdʒɪp.si ˌmɑːθ/
UK /ˈdʒɪp.si ˌmɑːθ/
"gypsy moth" picture
1.

spongieuse, bombyx disparate

a moth (Lymantria dispar) whose larvae are highly destructive to forest trees, native to Eurasia and North Africa and introduced to North America

:
The forest was heavily infested with gypsy moth caterpillars.
La forêt était fortement infestée de chenilles de la spongieuse.
Efforts are being made to control the spread of the gypsy moth.
Des efforts sont faits pour contrôler la propagation de la spongieuse.