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For Proven Garden Insect Control |
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INSECT NAME |
PICTURE | ATTACK | CONTROL METHOD |
| APHID |
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Flowers (roses), plants | Ladybugs, malathion or diazinon |
| COLORADO POTATO BEETLE |
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Potato, pepper, eggplant, tomato | Handpick, dust with diatomaceous earth |
| POTATO FLEA BEETLE |
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Vegetables | Cultivate frequently, remove weeds, sprinkle hardwood ashes on plants 2-3 times/week |
| WIREWORM/CLICK BEETLE |
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Corn, potato, beet, bean, lettuce, cabbage, carrot, onion, pea, turnip, onion, small grains, grass | Rotate crops, lure with perforated potatoes impaled on sticks and buried 2-3 cm deep; shake "worms" out of them into soapy water every few days |
| EUROPEAN EARWIG |
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Generally beneficial: eats decaying matter, insect larvae snails. etc, may attack dahlias, carnations, chrysanthemums, marigolds, food plants & strawberries | Diatomaceous earth, diluted dish detergent sprayed directly on them |
| CABBAGE MAGGOT |
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Cabbage family, beets, celery, turnip, broccoli, kale, cauliflower, brussels sprout | 3 cm of hard wood ash in tin cans set into ground around stems |
| CABBAGE WORM |
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Cabbage, lettuce, nasturtium, broccoli, cauliflower, kale, turnip, brussels sprout | Diatomaceous earth, handpick, sprinkle moist plants with wood ash, flour and salt mixture, sour milk or garlic infusion, Dipel® |
| CORN EARWORM |
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Corn, tomato, bean, pepper, lettuce, eggplant, pea, potato, squash | Dipel®, black light traps, dust with diatomaceous earth |
| CUTWORM |
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Broccoli, brussels sprout, cabbage, cauliflower, kale, radish, turnip, corn, tomato, bean, pepper, squash | 7-10 cm collars of cardboard, tin can or foil placed around plant stem when transplanting (at least 5 cm above and 3 cm below ground, handpick, Dipel® |
| EASTERN TENT CATERPILLAR |
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Leaves of Wild cherry, wild plum, apple and other orchard and shade trees | In spring, wipe newly spun webs off branches with kerosene-soaked cloth (not lit!) - in fall or winter, destroy egg-cases and cocoons |
| EUROPEAN CORN BORER |
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Corn, eggplant, pepper, beet, bean, potato, tomato, chrysanthemum, dahlia, gladiolus | Handpick, Dipel®, turn stems/stalks under in fall or shred and turn under in early spring |
| JAPANESE BEETLE |
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A wide variety of plant roots including ornamental trees and shrubs, garden and truck crops, and turf grasses | Traps |
| TOMATO HORNWORM |
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Tomato, pepper, eggplant, potato | Handpick, repel with marigold, borage and parsley as companion plants |
| SPINACH LEAF MINER |
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Spinach, sugar beet, chard, lettuce, carrot, celery, parsnip, celery | Pick off affected leaves and burn or compost them, plant usually recovers, heavy watering, repelled by Queen Anne's lace, dill and parsley |
| SLUG |
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Broccoli, brussels sprout, cabbage, cauliflower, kale, radish, turnip. potato, lettuce | Diatomaceous earth on leaves, use strips of aluminum screening about 3 inches high, unweave the top two horizontal strands from one long edge and bend the exposed vertical strands to face outward The bottom edge is pushed about 1 inch into the soil. |
| SQUASH BUG |
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Squash, pumpkins | Sevin |
| STRIPED CUCUMBER BEETLE |
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Cucumber, squash, melons, pumpkin, beans, | Rotenone, Sevin, natural predators include soldier beetles, tachinid flies, braconid wasps and certain nematodes |
