Insect Pests in Greenhouse and Nursery Crops - Utah Pests - Utah ...

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Whiteflies • 1 st instar nymph – crawler • 2 nd & 3 rd instar nymphs -feed • 4 th instar – doesn’t feed, pupa • 30 day life cycle • Foliage pest; secrete honeydew; sooty mold • Leaves turn yellow, dry, drop from plant
Whitefly Scouting • Monitor to detect presence – yellow sticky cards • Trap threshold = ½ per card per day when crop is young, 2 per card per day when crop approaches maturity • Inspect plants – hand lens • Leaf threshold = 10 nymphs per leaf
Page 1 and 2: Insect Pests in Greenhouse and Nurs
Page 3 and 4: Greenhouse IPM Techniques* ◘ Inte
Page 5 and 6: Cultural Control ◘ Maintain healt
Page 7 and 8: Scouting ◘ Cornerstone of IPM ◘
Page 9 and 10: Sticky Traps ◘ Early detection of
Page 11 and 12: Other Scouting Methods ◘ Indicato
Page 13: Whiteflies • Homoptera: Aleyrodid
Page 17 and 18: Whitefly Insecticides* • IGR- Juv
Page 19 and 20: Encarsia Program • Parasitizes wh
Page 21 and 22: Thrips Injury ◘ Punch-and-suck fe
Page 23 and 24: Thrips Management ◘ Difficult, in
Page 25 and 26: Twospotted Spider Mite • Foliage
Page 27 and 28: Mite Biological Control • Predato
Page 29 and 30: Outdoor Nursery Pests
Page 31 and 32: Scale Biology ◘ 1-2 generations p
Page 33 and 34: Aphids ◘ Suck sap from phloem tub
Page 35 and 36: Aphid Biology Single host Produce o
Page 37 and 38: Insecticide Resistance Management
Page 39 and 40: Lilac Root Weevil Otiorhynchus meri
Page 41 and 42: Longhorned Beetles/Roundheaded Bore
Page 43 and 44: Clearwing Moth Borers (Sessiidae) L
Page 45 and 46: Insecticides for Preventive Trunk S
Page 47 and 48: Considerations for Using Systemics
Page 49 and 50: Trees at Risk for Ips Attack ◘ St
Page 51 and 52: Management of Ips in the Landscape
Page 53 and 54: Utah Pests Web Page http://utahpest
Page 55: Greenhouse IPM Manual Greenhouse IP

Insect Pests in Greenhouse and Nursery Crops - Utah Pests - Utah ...

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