A Guide to Grapevine Abnormalities in South Africa - P.G. GOUSSARD

Leaf roller caterpillars.

PHOTO 362. A young, rapidly growing larva of the leaf roller caterpillar. Note the prominent horn on the hind part.

PHOTO 363. Large parts of the leaf are devoured during the feeding actions of leaf roller caterpillars.

232 • A Guide to Grapevine Abnormalities in South Africa