Chief Sign or Symptom Probable Pest or Disease Described Under
Buds eaten by caterpillars. Budworms or Climb- ing Cutworms Caterpillars
Buds covered with white felt, fail to open, or deformed flowers. Rose Mildew (Fig. 42A) Powdery Mildews
Buds show color but fail to open or flowers open part way and ball; brown edges to petals. Flower Thrips (Fig. 57) Thrips
Flowers streaked or spotted. Gladiolus Thrips Thrips
Flowers streaked or spotted. Spotted Wilt Virus Diseases
Flowers greenish, undeveloped. Aster Yellows (Fig. 58C) Virus Diseases
Flowers with numerous white spots, then gray mold. Tulip Botrytis (Fig. 13B) Blights
Azalea flowers with white spots, then slimy collapse. Camellias turn brown. Azalea Flower Blight (Fig. 11) Camellia Flower Blight (Fig. 12) Blights
Flowers wilt, hang down. Aster Wilt Wilts
Flowers demolished by metallic, greenish beetles. Japanese Beetle (Fig. 7A)" Beetles
Flowers eaten by tan, long-legged beetles. Rose Chafer Beetles
Petals chewed by small greenish beetles with black spots. Spotted Cucumber Beetle (Fig. 7D) Beetles
Flowers eaten by beetles working at night. May or June Beetle (Fig. 7B) Fuller Rose Beetle (Fig. 8) Beetles
Flowers eaten by hard brown insects with pincers. European Earwig (Fig. 29) Earwigs