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

Boll-worm moth (356); boll-worm larva (357).

PHOTO 356. An adult boll-worm moth.

PHOTO 357. In this example a flower cluster during the flowering period is appetising to a fully grown boll-worm larva. Note the characteristic pale coloured stripe along the sides.

A Guide to Grapevine Abnormalities in South Africa • 229

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