Pest Info Bulletin - Pearslugs Pearslugs a.k.a. These worms take the green out of the leaves, leaving the veins and giving them a lacy, tan appearance.
Leaves drop off the tree.
These hatch in a few days. Slug-like, slimy worms. First dark-green, later orange in colour. In the soil. These flies are just a little bigger than houseflies.