Eggplant Lacebug
Adult: Grayish to dark brown, mottled; flat, with transparent lacelike wings. 1/6 inch long. Nymph: Brown or black; spiny; without lacelike wings. Up to 1/10 inch long. ... [... more]
Virginia Tech Entomology |
Blister Beetles
Blister beetles have seven instars and overwinter as mature larvae in the soil. After pupation in the spring, adults begin to emerge in early summer and by midsummer reach their peak population. During summer months ... [... more]
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Cabbage Webworm
Bacillus thuringiensis , or Bt, (Bactur, Dipel, SOK BT, Thuricide) 2.0 to 3.0 tbsp in 1 gallon water. Bacillus thuringiensis will work but its results are not quickly observable; caterpillars get sick the first day ... [... more]
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Garden Symphylan
White, fragile. 12 pairs of legs on adult (fewer legs on young); up to 3/8 inch long. Not classified as an insect. Found in moist soils that contain decayed plant material, particularly near greenhouses. ... [... more]
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Beet Webworm
Pyrethrum spray or dust can be used but must be applied when caterpillars are young, before substantial webbing has been produced. The beet webworm's habit of enclosing itself in folded leaves protects it not only ... [... more]
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Red Necked Cane Borer
Adults emerge from canes in late spring. Females lay eggs on bark or inside new growth canes in late spring. Galls form where eggs are inserted or canes may break at these junctions. Larvae hatch from eggs and enter ... [... more]
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Carrot Rust Fly
Delay seeding until mid-May and harvest early in June before second generation flies appear. Harvest in blocks rather than selectively. Destroy all volunteer umbelliferous plants as they may serve as alternate hosts ... [... more]
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Potato Tuberworm
Protective measures for controlling the potato tuberworm include the following: 1) plant only seed pieces that are not infested, 2) cultivate so as to hill the soil against the plants - keeping at least 2 inches of ... [... more]
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Onion Maggot
Onion maggots overwinter as pupae in the soil. As temperatures rise in early spring pupae mature into adults and emerge from the soil. Females begin to lay eggs in less than two weeks. Females may lay about 200 eggs ... [... more]
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Rhubarb Curculio
The adult rhubarb curculio overwinters in plant debris or protected locations. In late spring adults become active and appear on leaves of rhubarb and alternate weed hosts, such as sunflower, dock, and thistle. ... [... more]
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Rose Scale
Insecticide must be applied during the crawler (the mobile, unprotected young of adult scale insects) stage or when crawlers have just settled. The crawler date for rose scale is late May to June 30. Make insecticide ... [... more]
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Bean Aphid
Localized aphid infestations can be hand-picked or pruned out. Before planting vegetables, check surrounding weeds and other plants for aphids and destroy where found. Remove any aphids discovered on transplants ... [... more]
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