0 a type of moth (= an insect similar to a butterfly) whose caterpillars (= the young forms of the moth) cause a lot of damage to trees:
To control gypsy moths, the state uses a bacterial insecticide.
Gypsy moth caterpillars are especially fond of oak leaves.
That year there was a dramatic increase in the damage caused by gypsy moths in Virginia.
For information on the gypsy moth, go to our website.
Like tiny munching machines, gypsy moth caterpillars are defoliating trees across the state.
Christmas tree growers in Lane County suffered huge losses after a gypsy moth infestation.
