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RUDBECKIA INSECTS

By The Old House Web

RUDBECKIA INSECTS

Aphids suck sap from the plants. Spray with Sevin, rotenone, or use Diazinon dust.

Goldenglow sawfly may completely defoliate plants. The larvae are gray with dark stripes. No chemical control is listed.

Four-lined plant bug causes round, brown, sunken spots on the leaves. The injury is often mistaken for a disease. No chemical control is listed.

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