Culture & Identification, Ch 8 Part 2 Insects. Cultivation & Identification, Chapter 8, Insects Vegetable Pests

Culture & Identification, Ch 8 Part 2 Insects

Cultivation & Identification, Chapter 8, Insects

Vegetable Pestshttp://science.mccneb.edu/pevans/Image_Data_Base/Default.htm

aphidsarmywormscabbage looperscabbage root maggotColorado potato beetlecorn rootwormcucumber beetle


AphidsPrevention

floating row coversreduce nitrogenincrease beneficials- lacewings- aphid midges

Controlinsecticidal soapNeemPyrethrum

http://www.oznet.ksu.edu/entomology/extension/Photos/Alfalfa%20Insects%20Folder/cpa.jpg


ArmywormsPrevention

floating row coversincrease beneficialsparasitic wasps- parasitic flies

Controlhandpickspray BTspray Neem

http://www.oznet.ksu.edu/entomology/extension/Photos/Corn%20Insects%20Folder/Image6.jpg


Cabbage LooperPrevention

floating row coversincrease beneficials- predatory wasps

Controlhandpickspray BTspray NeemPyrethrinSabadilla

http://www.ces.ncsu.edu/depts/ent/notes/Vegetables/veg040e/img_loop.htm


Cabbage Root MaggotPrevention

alkaline soil½ cup wood ashes/plantparasiticnematodes

Controlstem shields/ tar paperrow coversno compostdestroyinfected plants


Cabbage Root MaggotPhoto courtesy Dr. Lloyd Dosdall, Alberta Agriculture


Colorado Potato BeetlePrevention

beneficialnematodesnectar & pollen-rich plants

Controlhandpickrow coversspray BTNeemPyrethrinSabadillaRotenone

http://www.ars.usda.gov/is/graphics/photos/dec97/k4978-5.htm


Corn RootwormPrevention

rotate cropsplant in warm soilcultivate deeply

Controlapplyparasitic nematodesto soil

http://www.ars.usda.gov/is/graphics/photos/oct97/k1289-17.htm


Cucumber BeetlePrevention

grow resistant cultivars to wilt& mosaicdestroyinfected plantsrotate gourd crops with legumes

Controlrow coversapply parasitic nematodesSabadillaRotenonePyrethrin

http://www.ars.usda.gov/is/graphics/photos/k7765-1.htm


Vegetable PestscutwormEuropean corn borerflea beetlehornwormimported cabbagewormJapanese beetleleafhopper


CutwormPrevention

plant collarsdrench parasitic nematodes/ 1 week before plantingsoldier beetles helpapply wood ashes

Controlmix BT withmoist bran& molasses,scatter

http://science.mccneb.edu/pevans/Image_Data_Base/Regular%20HTML%20Pages/Cutworm.htm


European Corn BorerPrevention

rotate cropsdestroyinfected plantsfall clean-upapply parasiticwasps

Controlspray BT on leaves, &tips of earsRyaniaRotenoneSabadilla

http://www.ext.nodak.edu/extpubs/plantsci/hortcrop/e331-12.jpg


Flea BeetlePrevention

row coverssusceptibleplants grow insome shade

Controldust with diatomaceous earthPyrethrumRotenone

http://science.mccneb.edu/pevans/Image_Data_Base/Regular%20HTML%20Pages/PotatoFleaBeetleInjury.htm


HornwormPrevention

attract native parasites byplanting pollen& nectar-richflowers

Controlhandpickspray with BT when caterpillars are small


Imported CabbagewormPrevention

row coversattractivepredatory waspsyellow stickytraps

Controlhandpickspray BT NeemPyrethrinSabadilla


Imported CabbagewormPhoto courtesy Dr. Lloyd Dosdall, Alberta Agriculture


Japanese BeetlePrevention

treat lawn w/milky-sporediseasehanging traps

Controlhandpick early amSabadillaPyrethrumRotenone


LeafhopperPrevention

row coversControl

diatomaceous earthinsecticidal soapPyrethrumRotenone

http://www.colostate.edu/Depts/Entomology/images/agrosoma.jpeg


Vegetable Pestsleaf minerMexican bean beetlemitesonion maggotpicklewormslugs and snailssquash bug


Leaf MinerPrevention

row coversremoveinfected leavesattract beneficialsparasitic wasps

Controlpreventionis bestlarvae in leaves; it is too lateNeem for adults

http://science.mccneb.edu/pevans/Image_Data_Base/Regular%20HTML%20Pages/HoneysuckleLeafminer.htm


Mexican Bean BeetlePrevention

destroy yellow eggsrow coversfall clean upspined soldier bugsparasitic waspstrap crop/soybeans

ControlhandpickNeemPyrethrumRotenoneSabadilla



MitesPrevention

spray plants withwater to discourageattract predators- ladybugs- lacewings

Controlinsecticidal soapsSabadillaPyrethrumRotenone

http://science.mccneb.edu/pevans/Image_Data_Base/Regular%20HTML%20Pages/MiteDamageonPhlox.htm


Onion MaggotPrevention

row coversdiatomaceous earthfall clean upplant onionsas a trap crop elsewhere

Controlprevention bestwhen eggs are laid in bulb,too late


PicklewormPrevention

fall clean updeep cultivationearly maturing cultivarssummer squashas trap crop

Controlprevention bestonce enteredthe plants, difficult toremove


Slugs & SnailsPrevention

trapsgrapefruit rindscabbage leavescopper flashingbeer

Controlwood ashesdiatomaceous earth

http://science.mccneb.edu/pevans/Image_Data_Base/Regular%20HTML%20Pages/RoseSlug(Sawfly)Injury.htm


Squash BugPrevention

row coversfall clean upfree of debrisattract beneficialstrellises

ControlhandpickSabadillaPyrethrumRotenone



Vegetable Pestssquash vine borerstinkbugstarnished plant bugthripswebwormswhiteflywireworm


Squash Vine BorerPrevention

row covers until blossoms appearwrap stem bases with stockings/ prevent egg laying

Controlslit open infested vines/crush pestsdust base w/ Pyrethrum, Sabadilla, Rotenone


Stinkbugs stinkbug 2

Preventionfall clean upattract native beneficialsparasitic wasps

ControlhandpickPyrethrumSabadillaRotenone


Tarnished Plant BugPrevention

fall clean upwhite sticky trapsattract native beneficials

Controlrow coversRotenoneSabadilla

http://www.ars.usda.gov/is/graphics/photos/dec97/k7866-1.htm


ThripsPrevention

fall clean upaluminum foil mulchyellow sticky trapsattract lacewings

Controlinsecticidal soapPyrethrumRotenone

http://science.mccneb.edu/pevans/Image_Data_Base/Regular%20HTML%20Pages/GaillardiaThirpsDamage.htm


WebwormsPrevention

row coversattract native beneficials

Controlhandpickspray BTPyrethrum



WhiteflyPrevention

yellow sticky trapsattract beneficialscheck transplants from greenhouse

Controlinsecticidal soapPyrethrumRotenone



WirewormPrevention

parasitic nematodescultivate soildeeply & oftento exposeto predators

Controltrap w/pieces of potato buried in soilchange every other day



ConclusionWhen dealing with insect pests:Rule 1 prevention is better

2 cleanliness: most importantritual of the garden

3 daily monitoring4 know what you are treating

Documents

Culture & Identification, Ch 8 Part 2 Insects. Cultivation & Identification, Chapter 8, Insects Vegetable Pests