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Culture & Identification, Ch 8 Part 2 Insects. Vegetable Pests http://science.mccneb.edu/pevans/Image_Data_Base/Default.htm. aphids armyworms cabbage loopers cabbage root maggot Colorado potato beetle corn rootworm cucumber beetle. Prevention floating row covers reduce nitrogen
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Vegetable Pestshttp://science.mccneb.edu/pevans/Image_Data_Base/Default.htm • aphids • armyworms • cabbage loopers • cabbage root maggot • Colorado potato beetle • corn rootworm • cucumber beetle Cultivation & Identification, Chapter 8, Insects
Prevention floating row covers reduce nitrogen increase beneficials lacewings aphid midges Control insecticidal soap Neem Pyrethrum Aphids Cultivation & Identification, Chapter 8, Insects
Prevention floating row covers increase beneficials parasitic wasps parasitic flies Control handpick spray BT spray Neem Armyworms Cultivation & Identification, Chapter 8, Insects
Prevention floating row covers increase beneficials predatory wasps Control handpick spray BT spray Neem Pyrethrin Sabadilla Cabbage Looper Cultivation & Identification, Chapter 8, Insects
Prevention alkaline soil ½ cup wood ashes/plant parasiticnematodes Control stem shields/ tar paper row covers no compost destroyinfected plants Cabbage Root Maggot Cultivation & Identification, Chapter 8, Insects
Photo courtesy Dr. Lloyd Dosdall, Alberta Agriculture Cabbage Root Maggot Cultivation & Identification, Chapter 8, Insects
Prevention beneficialnematodes nectar & pollen-rich plants Control handpick row covers spray BT Neem Pyrethrin Sabadilla Rotenone Colorado Potato Beetle Cultivation & Identification, Chapter 8, Insects
Prevention rotate crops plant in warm soil cultivate deeply Control applyparasitic nematodesto soil Corn Rootworm Cultivation & Identification, Chapter 8, Insects
Prevention grow resistant cultivars to wilt& mosaic destroyinfected plants rotate gourd crops with legumes Control row covers apply parasitic nematodes Sabadilla Rotenone Pyrethrin Cucumber Beetle Cultivation & Identification, Chapter 8, Insects
Vegetable Pests • cutworm • European corn borer • flea beetle • hornworm • imported cabbageworm • Japanese beetle • leafhopper Cultivation & Identification, Chapter 8, Insects
Prevention plant collars drench parasitic nematodes/ 1 week before planting soldier beetles help apply wood ashes Control mix BT withmoist bran& molasses,scatter Cutworm Cultivation & Identification, Chapter 8, Insects
Prevention rotate crops destroyinfected plants fall clean-up apply parasiticwasps Control spray BT on leaves, &tips of ears Ryania Rotenone Sabadilla European Corn Borer Cultivation & Identification, Chapter 8, Insects
Prevention row covers susceptibleplants grow insome shade Control dust with diatomaceous earth Pyrethrum Rotenone Flea Beetle Cultivation & Identification, Chapter 8, Insects
Prevention attract native parasites byplanting pollen& nectar-richflowers Control handpick spray with BT when caterpillars are small Hornworm Cultivation & Identification, Chapter 8, Insects
Prevention row covers attractivepredatory wasps yellow stickytraps Control handpick spray BT Neem Pyrethrin Sabadilla Imported Cabbageworm Cultivation & Identification, Chapter 8, Insects
Photo courtesy Dr. Lloyd Dosdall, Alberta Agriculture Imported Cabbageworm Cultivation & Identification, Chapter 8, Insects
Prevention treat lawn w/milky-sporedisease hanging traps Control handpick early am Sabadilla Pyrethrum Rotenone Japanese Beetle Cultivation & Identification, Chapter 8, Insects
Prevention row covers Control diatomaceous earth insecticidal soap Pyrethrum Rotenone Leafhopper Cultivation & Identification, Chapter 8, Insects
Vegetable Pests • leaf miner • Mexican bean beetle • mites • onion maggot • pickleworm • slugs and snails • squash bug Cultivation & Identification, Chapter 8, Insects
Prevention row covers removeinfected leaves attract beneficials parasitic wasps Control preventionis best larvae in leaves; it is too late Neem for adults Leaf Miner Cultivation & Identification, Chapter 8, Insects
Prevention destroy yellow eggs row covers fall clean up spined soldier bugs parasitic wasps trap crop/soybeans Control handpick Neem Pyrethrum Rotenone Sabadilla Mexican Bean Beetle Cultivation & Identification, Chapter 8, Insects
Prevention spray plants withwater to discourage attract predators ladybugs lacewings Control insecticidal soaps Sabadilla Pyrethrum Rotenone Mites Cultivation & Identification, Chapter 8, Insects
Prevention row covers diatomaceous earth fall clean up plant onionsas a trap crop elsewhere Control prevention best when eggs are laid in bulb,too late Onion Maggot Cultivation & Identification, Chapter 8, Insects
Prevention fall clean up deep cultivation early maturing cultivars summer squashas trap crop Control prevention best once enteredthe plants, difficult toremove Pickleworm Cultivation & Identification, Chapter 8, Insects
Prevention traps grapefruit rinds cabbage leaves copper flashing beer Control wood ashes diatomaceous earth Slugs & Snails Cultivation & Identification, Chapter 8, Insects
Prevention row covers fall clean up free of debris attract beneficials trellises Control handpick Sabadilla Pyrethrum Rotenone Squash Bug Cultivation & Identification, Chapter 8, Insects
Vegetable Pests • squash vine borer • stinkbugs • tarnished plant bug • thrips • webworms • whitefly • wireworm Cultivation & Identification, Chapter 8, Insects
Prevention row covers until blossoms appear wrap stem bases with stockings/ prevent egg laying Control slit open infested vines/crush pests dust base w/ Pyrethrum, Sabadilla, Rotenone Squash Vine Borer Cultivation & Identification, Chapter 8, Insects
Prevention fall clean up attract native beneficials parasitic wasps Control handpick Pyrethrum Sabadilla Rotenone Stinkbugsstinkbug 2 Cultivation & Identification, Chapter 8, Insects
Prevention fall clean up white sticky traps attract native beneficials Control row covers Rotenone Sabadilla Tarnished Plant Bug Cultivation & Identification, Chapter 8, Insects
Prevention fall clean up aluminum foil mulch yellow sticky traps attract lacewings Control insecticidal soap Pyrethrum Rotenone Thrips Cultivation & Identification, Chapter 8, Insects
Prevention row covers attract native beneficials Control handpick spray BT Pyrethrum Webworms Cultivation & Identification, Chapter 8, Insects
Prevention yellow sticky traps attract beneficials check transplants from greenhouse Control insecticidal soap Pyrethrum Rotenone Whitefly Cultivation & Identification, Chapter 8, Insects
Prevention parasitic nematodes cultivate soildeeply & oftento exposeto predators Control trap w/pieces of potato buried in soil change every other day Wireworm Cultivation & Identification, Chapter 8, Insects
Conclusion When dealing with insect pests: Rule 1 prevention is better 2 cleanliness: most important ritual of the garden 3 daily monitoring 4 know what you are treating Cultivation & Identification, Chapter 8, Insects