| 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 |
GARDEN ENEMIES
