New Insect Pest Update - Cooperative Extension · PDF fileLeek Moth Native to Europe Ontario...
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New Insect Pest Update Alan T. Eaton George W. Hamilton UNH Cooperative Extension February 18, 2017 New Hampshire Vegetable and Berry Meeting
Transcript of New Insect Pest Update - Cooperative Extension · PDF fileLeek Moth Native to Europe Ontario...
New Insect Pest UpdateAlan T. Eaton
George W. HamiltonUNH Cooperative Extension
February 18, 2017New Hampshire Vegetable and Berry Meeting
Swede Midge
SwedeMidge• NativetoEurope• DiscOntario2001• Vermont2008• HampshireCoMA• NewHavenCoCT• NH(Coos)2016
• Allcabbagefamilyplants• Overwinteraspupae,insoil• 3-5gen/year 1mm
Eatonphoto
Thetinylarvaedothedamage,esp togrowingpoints.
SwollenyoungleavesMultipleheadplantsBrownscarsonleaves
andpetiolesMimicsnutrientdef.
Photo:OntarioMinAgr &Food
Photos:JulieKikkert,CornellCoopExt
Controls:stillbeingfiguredout!Prevention&discoveryare
ourmaingoalsnow.Avoidbuyingtransplantsfrom
infectedareas.VTNYQueOntPleasereportitifyouseedamage.
UNHCoop.Ext.or
PieraSiegert,NHDept.ofAgriculture,Mkts &Food
Leek Moth
LeekMothNativetoEuropeOntario1993Plattsb NY2009(now5Counties)NorthwesternVT(now5counties)CoosCoNH2016
Bothphotos:CornellCoopExt
Damage:Larvaeattackleaves,reducingvigor,introducingrot,anddecreasingbulbstoragelife.Lookfor:“Windowpaning”damagetoleavesFrass inleavesCocoon:opennetofsilk
Esp.garlic,leek,onion
Photo:DanOlmsteadCornellUniversity
Controls:ChemicalInsecticides
Organicgrowers:Entrust,DiPel DFRowcovers?Remove&destroycropdebris?
Pleasereportitifyouseedamage.UNHCoop.Ext.
or
PieraSiegert,NHDept.ofAgr.,Mkts &Food
Western Bean Cutworm
Mothsprefertolayeggsonlatewhorl/earlytasselcorn.DamagemostlikelyJul20-Aug151gen/yr
Photo:A.T.Eaton
Western Bean Cutworm• expandedlocations• lownumbers2016
Vegetable- SweetCorn
BrownMarmoratedStinkBug(BMSB)
BMSBisstillnotanagriculturalpestinNH,butit’stimewillprobablycome.
• ThisinsectwasfirstdetectedinNHin2010.
• Wehavebeentrappingforthisinsectsince2011
• Nonein:2011,2012,2013
TheTrapwithtwopartlure
NewresearchbeingconductedonusingaclearstickytrapsforBMSBmonitoring
CountDown!
In2013,NewYork(southernHudsonValley)reporteditsfirstBMSBdamagetocrops.Therewasmorein2014.
In2014,BMSBdamagewasdiscoveredinaConnecticutorchard.2015populationsinCTwerehigher,esp.lateAug&Sept.2016:higherstill,esp.lateAug&Sept.
In2014wecaughtourfirst(two)BMSB’sinatrap.
In2015wecaught45adultsand27nymphsBMSBinNHtraps.
In2016wecaught147adultsand53nymphsBMSBinNHtraps,stillhigher!
BMSBnymphs:
Whitebandonantennae
Spinesalongedgeofthorax
Maroonmarkings
Whitebandonmid&reartibiae Aug7,2011
2014BMSBTrapLocations
8towns8locations12traps
2015BMSBTrapLocations
20towns25locations32traps
2016BMSBTrapLocations
21towns25locations32trapsNotincludingtheSeacoastSites
2015BMSBTrap• WeekofAugust31– firstBMSBcaughtinHollisandBrookline• WeekofOctober26– lastBMSBcaughtinMilford• Trapswereplacedin22townsandin5townsBMSBwasfound:Brookline,Hollis,Litchfield,Milford,andNashua• Trapswereplacedin25locationsandin7locationsBMSBwasfound• 32trapsplacedandBMSBwasfoundin7traps• BMSBadultsweretrappedeveryweekfromAugust31throughOctober26(nineweeks).• BMSBnymphsweretrappedeveryweekfromAugust31throughOctober19(sevenweeks).
2015BMSBTrappinginNH
0
5
10
15
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25
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35
0.00
0.20
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0.60
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#ofIn
sects
Date
Average#nymphspertrapAverage#adutspertrapTotalnumberoftraps
#ofTraps
2016BMSBTrappinginNH• WeekofAugust7– firstBMSBcaughtinNashua,MilfordandBrookline• WeekofOctober16– lastBMSBcaughtinHollisandNashua• Trapswereplacedin21townsandin6townsBMSBwas found:Brookline,Contoocook,Hollis,Litchfield,Milford,andNashua• 32trapsplacedandBMSBwasfoundin9traps• BMSBadultsweretrappedeveryweekfromAugust7throughOctober23(twelveweeks).• BMSBnymphsweretrappedeveryweekfromAugust7throughSeptember25(eightweeksandone- twoweekslater).
2016BMSBTrappinginNH#ofTraps
HomeNuisancecallsdealingwithBSMBinNH•2010:confirmedin1NHmunicipality•2011:4more=5•2012:6more=11•2013:3more=14•2014:7more=21•2015:4more=25•2016:5more=30municipalities
MunicipalitieswithBrownMarmoratedStinkbug
asofSept21,2016
BarringtonBoscawenBrooklineChichesterConcordDoverDurhamExeterGreenlandHamptonHamptonFallsHollisHopkintonKeeneLaconiaLebanonLitchfieldLondonderryManchesterMerrimackMilfordNashuaNewingtonNewmarketNewportPortsmouthRochesterRyeSomersworthStratham
BrownMarmoratedStinkBug
A. T. Eaton photos
BrownMarmoratedStinkBug(BMSB)isstillnotanagriculturalpestinNH.
Bepatient…itstimewillcome.
Treefruits,smallfruitsandvegetables
SpottedWingDrosophila(SWD)
SWD(spottedwingdrosophila)wasdiscoveredinNH/ME/VTSept.2011.
In2012,SWDRuined$1.516MofNHfruit.
Mostseriousdamagehere:bramblefruit&blueberries
Escapeattack:CherriesJunestrawberry
Lightattack:EarlyblueberryEarlybrambles
LessdamageinNorthernVT,NH,ME
Smallfruits
2016Results,NewHampshire
• Populationswereroughlythesameaslastyear.• 1st male:July6(usualtime)• Sign.attack,brambles&blueberryby7/20insouth• LakesRegion&North:lower,laterbuildup• Thisyear,latesummer#’sintheNareasweremuch
higherthanpreviously.• Thisyearwepostedthecatchfigureseachweek• https://extension.unh.edu/Spotted-Wing-Drosophila-
IPM-Weekly-Scouting-Summary
SpottedWingDrosophilaTrapLocation Date Crop #Count
BehindFarmStand 07/06/16 Blueberry 0
BehindFarmStand 07/06/16 Raspberry 1
Pond 07/06/16 Control 0
SpottedWingDrosophilaTrapLocation Date Crop #Count
BehindFarmStand 9/07/16 Blueberry 12
BehindFarmStand 9/07/16 Raspberry 2
Pond 9/07/16 Control Over100
SpottedWingDrosophilaTrapLocation Date Crop #Count
BehindFarmStand 8/02/16 Blueberry 0
BehindFarmStand 8/02/16 Raspberry 2
Pond 8/02/16 Control 3
SWDControl• Timelyharvests• Removingover-ripefruitfromfields• RemovingwildhostplantsthatcanharborSWDsuchaswildgrape,pokeberry,blackraspberry,blackberry,etc.nearcropfields• Trainingraspberriestotrellis• Pruningplantstoamoreopenstyleforbetteraircirculationandspraypenetration• Trapsareamustformonitoringthepopulationonyourfarm• Spraywhenneededbasedontrapcatches• UseSugarinSpray
ThankYou toNHDepartmentofAgriculture,MarketsandFood,DivisionofPesticideControlandtheNewHampshirePesticideControlBoardforawarding
IPMGrantstoUNHCooperativeExtension.GeorgeHamilton- UNHCooperativeExtension
HeatherBryant- UNHCooperativeExtension
AlanEaton- UNHCooperativeExtension
LindaKunhardt- 2009,2010,2011,2012,2013,2014,2015,2016IPMScout
MichelleAurelio– 2013,2014,2015,2016IPMScout
SteveGatcombe- 2006,2007,2008,2011,2012,2013,2014,2015IPMCalibration
