Michigan State University Extension
Ornamental Plants plus Version 2.0 - 00001285
01/01/98
RUDBECKIA INSECT PROBLEMS
Aphids suck sap from the plants.
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.
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This file was generated from data base OP on 07/27/98.
Data base OP was last revised on 01/01/98.
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