rose slug

rose slug

n.
A greenish larva of any of several sawflies that feeds on and damages the leaves of roses.
References in periodicals archive ?
Rose slugs occasionally defoliate the plant (it has never been sprayed), but the plant immediately refoliates and continues in bloom.
Dormant Oil is horticultural grade mineral oil that kills overwintering eggs of aphids, pear and rose slugs, scales, and spider mites.
There are rose slugs on the roses and black, green or red aphids on everything else.