aphids, scale, whitefly, mealybug… homoptera. 0511.html 0511.html
TRANSCRIPT
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Aphids, scale, Aphids, scale, whitefly, mealybug…whitefly, mealybug…
HOMOPTERAHOMOPTERA
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http://www.ipm.ucdavis.edu/PMG/r735300511.html
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HOMOPTERAHOMOPTERA
Homo: sameHomo: same Ptera: wingsPtera: wings IncompleteIncomplete Piercing-sucking mouthpartsPiercing-sucking mouthparts 2 pair or wingless2 pair or wingless
Wings held "roof-like"Wings held "roof-like"
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HOMOPTERAHOMOPTERA
Produce honeydew and sooty moldProduce honeydew and sooty mold Ants feed on honeydew and protect Ants feed on honeydew and protect
insectsinsects
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HOMOPTERAHOMOPTERA
ParthenogenicParthenogenic: asexual reproduction: asexual reproduction ViviparousViviparous: live birth: live birth Winged aphids disperse in spring and Winged aphids disperse in spring and
late summerlate summer
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APHIDS (103)APHIDS (103)
Over 200 species, often host specificOver 200 species, often host specific Cornicles (tailpipes), function unclearCornicles (tailpipes), function unclear
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APHIDS (103)APHIDS (103)
Stem mother produces Stem mother produces colonycolony All femalesAll females
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APHIDS (103)APHIDS (103)
HOSTSHOSTS Herbaceous plants (vector disease), river Herbaceous plants (vector disease), river
birch, tuliptree, crapemyrtle, birch, tuliptree, crapemyrtle, pyracantha…pyracantha…
New growthNew growth
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APHIDS (103)APHIDS (103)
DAMAGEDAMAGE Bleaching and distortingBleaching and distorting Sticky foliage and sooty moldSticky foliage and sooty mold
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APHIDS (103)APHIDS (103)
MONITORINGMONITORING Visual, spring to early summerVisual, spring to early summer
Honeydew, sooty moldHoneydew, sooty mold
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APHIDS (103)APHIDS (103)
CONTROLCONTROL Avoid broad-spectrum insecticidesAvoid broad-spectrum insecticides
Disrupts beneficial insectsDisrupts beneficial insects
Ladybeetles, mealybug destroyer, Ladybeetles, mealybug destroyer, lacewing, waspslacewing, wasps
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APHIDS (103)APHIDS (103)
CONTROLCONTROL Predator insectsPredator insects
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APHIDS (103)APHIDS (103)
CONTROLCONTROL Predator insectsPredator insects
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APHIDS (103)APHIDS (103)
CONTROLCONTROL Predator insectsPredator insects
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APHIDS (103)APHIDS (103)
CONTROLCONTROL Predator insectsPredator insects
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APHIDS (103)APHIDS (103)
CONTROLCONTROL Predator insectsPredator insects
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APHIDS (103)APHIDS (103)
CONTROLCONTROL Predator insectsPredator insects
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APHIDS (103)APHIDS (103)
CONTROLCONTROL Observe "mummies“Observe "mummies“
Parasitized aphidsParasitized aphids
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APHIDS (103)APHIDS (103)
CONTROLCONTROL Control ants with sticky barriersControl ants with sticky barriers
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APHIDS (103)APHIDS (103)
CONTROLCONTROL Oil and soapsOil and soaps Prune outPrune out
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MEALYBUGS (126)MEALYBUGS (126)
Technically a type of scaleTechnically a type of scale Cottony mass on hostCottony mass on host
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MEALYBUGS (114)MEALYBUGS (114)
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MEALYBUGS (114)MEALYBUGS (114)
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MEALYBUGS (114)MEALYBUGS (114)
DAMAGEDAMAGE Feeds all over plantFeeds all over plant HoneydewHoneydew
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MEALYBUGS (114)MEALYBUGS (114)
DAMAGEDAMAGE Stunts, distorts, and yellowStunts, distorts, and yellow
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MEALYBUGS (114)MEALYBUGS (114)
CONTROLCONTROL Oil and soapOil and soap Mealybug destroyerMealybug destroyer Wash foliage with bleach solutionWash foliage with bleach solution
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Mealybug DestroyerMealybug Destroyer
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HOPPERSHOPPERS
LEAFHOPPERS (148) LEAFHOPPERS (148) PLANTHOPPERS (151)PLANTHOPPERS (151) TREEHOPPERS (151)TREEHOPPERS (151)
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HOPPERSHOPPERS
LEAFHOPPERS (148) LEAFHOPPERS (148)
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HOPPERSHOPPERS
LEAFHOPPERS (148) LEAFHOPPERS (148)
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HOPPERSHOPPERS
PLANTHOPPERS (151)PLANTHOPPERS (151)
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HOPPERSHOPPERS
PLANTHOPPERS (151)PLANTHOPPERS (151)
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HOPPERSHOPPERS
PLANTHOPPERS (151)PLANTHOPPERS (151)
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HOPPERSHOPPERS
TREEHOPPERS (151)TREEHOPPERS (151)
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HOPPERSHOPPERS
HOSTHOST Woody plants…Woody plants…
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LEAFHOPPERLEAFHOPPER
Controlled by Controlled by naturally occurring naturally occurring fungusfungus
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HOPPERSHOPPERS
DAMAGEDAMAGE Sucking damageSucking damage "hopper burn" from toxins during feeding"hopper burn" from toxins during feeding Rarely threatens hosts healthRarely threatens hosts health HoneydewHoneydew
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SPITTLEBUGS (151)SPITTLEBUGS (151)
Nymph: soft 1/4" hidden in "spit"Nymph: soft 1/4" hidden in "spit"
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SPITTLEBUGS (151)SPITTLEBUGS (151)
Adults emerge from "spit"Adults emerge from "spit"
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SPITTLEBUGS (151)SPITTLEBUGS (151)
HOSTHOST Turf and ornamental grassesTurf and ornamental grasses
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SPITTLEBUGS (151)SPITTLEBUGS (151)
HOSTHOST Perennials (cosmos) and woody plants Perennials (cosmos) and woody plants
(Rosemary)(Rosemary)
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SPITTLEBUGS (151)SPITTLEBUGS (151)
DAMAGEDAMAGE Distort and diebackDistort and dieback
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SPITTLEBUGS (151)SPITTLEBUGS (151)
MONITORMONITOR Visual spit in JuneVisual spit in June Adults active in JulyAdults active in July
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SPITTLEBUGS (151)SPITTLEBUGS (151)
CONTROLCONTROL Wash offWash off Prune out infestationsPrune out infestations
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WHITEFLIES (124)WHITEFLIES (124)
Adult: small "moth"Adult: small "moth"
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WHITEFLIES (124)WHITEFLIES (124)
Nymph: scale-likeNymph: scale-like
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WHITEFLIES (124)WHITEFLIES (124)
Crawlers hatch and insert mouthpartCrawlers hatch and insert mouthpart Stay until adultStay until adult Last instar is an inactive pupa (not true Last instar is an inactive pupa (not true
pupa)pupa)
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WHITEFLIES (124)WHITEFLIES (124)
HOSTHOST Gardenia, privets, other woody shrubsGardenia, privets, other woody shrubs Greenhouse pestGreenhouse pest Feed underside of foliageFeed underside of foliage
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WHITEFLIES (124)WHITEFLIES (124)
DAMAGEDAMAGE Leaf dropLeaf drop Sooty moldSooty mold
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WHITEFLIES (124)WHITEFLIES (124)
MONITORMONITOR Yellow sticky cardsYellow sticky cards
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WHITEFLIES (124)WHITEFLIES (124)
CONTROLCONTROL Oil and soapOil and soap
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WHITEFLIES (124)WHITEFLIES (124)
CONTROLCONTROL Encarsia formosa and other beneficialsEncarsia formosa and other beneficials
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WHITEFLIES (124)WHITEFLIES (124)
CONTROLCONTROL Encarsia formosaEncarsia formosa
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WHITEFLIES (124)WHITEFLIES (124)
CONTROLCONTROL Other predatorsOther predators
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SCALE (145)SCALE (145)
Males: don't feed, live only few hoursMales: don't feed, live only few hours Female: oval and winglessFemale: oval and wingless Eggs laid under shellEggs laid under shell
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SCALE (145)SCALE (145)
"Crawlers" hatch, move along branch or "Crawlers" hatch, move along branch or via windvia wind
Insert mouthpart and feedInsert mouthpart and feed
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SCALE (145)SCALE (145)
Armored scaleArmored scale: secrete waxy covering: secrete waxy covering Covering can be removedCovering can be removed Never moveNever move Do not produce honeydewDo not produce honeydew
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SCALE (145)SCALE (145)
Armor ScaleArmor Scale
Euonymus scaleEuonymus scale
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SCALE (145)SCALE (145)
Armor ScaleArmor Scale
Pine scalePine scale
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SCALE (145)SCALE (145)
Armor ScaleArmor Scale
Camellia scaleCamellia scale
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SCALE (145)SCALE (145)
Armor ScaleArmor Scale
San Jose scaleSan Jose scale
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SCALE (145)SCALE (145)
Armor ScaleArmor Scale
Oystershell scaleOystershell scale
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SCALE (145)SCALE (145)
Soft scaleSoft scale Covering is actual bodyCovering is actual body Can move aroundCan move around Produce honeydew and sooty moldProduce honeydew and sooty mold
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SCALE (145)SCALE (145)
Soft scaleSoft scale
Cottony Cushion ScaleCottony Cushion Scale
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SCALE (145)SCALE (145)
Soft scaleSoft scale
Wax ScaleWax Scale
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SCALE (145)SCALE (145)
Soft scaleSoft scale
Oak scaleOak scale
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DAMAGEDAMAGE Weaken plantWeaken plant Water stressWater stress Kill branchesKill branches
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MONITORINGMONITORING Crawlers in the springCrawlers in the spring Double sticky tapeDouble sticky tape
Looks like pollenLooks like pollen Spray at sharp increaseSpray at sharp increase
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SCALE (145)SCALE (145)
MONITORINGMONITORING Pheromone traps and degree-day Pheromone traps and degree-day
models for San Josemodels for San Jose Observe parasitized scaleObserve parasitized scale
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Cycad scaleCycad scale
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Cycad scaleCycad scale
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CONTROLCONTROL Twice stabbed ladybeetle, parasitic Twice stabbed ladybeetle, parasitic
wasps…wasps… Oils in winter, spring, or summerOils in winter, spring, or summer
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