Ant Control Field Studies: Ant Control Field Studies: Baiting & Targeted Baiting & Targeted

TreatmentsTreatments

Urban Entomology ResearchUrban Entomology ResearchUC RiversideUC Riverside

URBAN ANTS OF URBAN ANTS OF NORTH AMERICA AND NORTH AMERICA AND

EUROPEEUROPE Identification, Biology, and Identification, Biology, and

ManagementManagement

John Klotz, Laurel Hansen, John Klotz, Laurel Hansen, ReinerReiner PospischilPospischil, and Michael Rust, and Michael Rust

Published by Cornell University PressPublished by Cornell University Press

ContentsContents

Urban pest antsUrban pest antsMajorMajorMinorMinor

Native speciesNative speciesCarpenter antsCarpenter ants

Carpenter AntsCarpenter Ants

Camponotus modoc Camponotus vicinus

Odorous House AntsOdorous House Ants

Argentine AntArgentine Ant

Red imported Fire AntRed imported Fire Ant

Book ContentBook ContentBiology and Control

Keys

Chapter on Stinging AntsChapter on Stinging Ants

Imported fire ant stings

Harvester AntsHarvester Ants

Pavement Ant StingsPavement Ant Stings

Management of AntsManagement of AntsChemical control Chemical control strategiesstrategiesHabitat and structural Habitat and structural modificationmodificationBiological controlBiological controlIntegrated pest Integrated pest managementmanagement

Cornell University PressCornell University Press

Regular Price = $27.95Discount Price = $20.00

VOL. 15 NO. 2 SOUTHWESTERN ENTOMOLOGIST JUN. 1990VOL. 15 NO. 2 SOUTHWESTERN ENTOMOLOGIST JUN. 1990

THE URBAN ANTS OF CALIFORNIA WITH DISTRIBUTION NOTES THE URBAN ANTS OF CALIFORNIA WITH DISTRIBUTION NOTES OF IMPORTED SPECIESOF IMPORTED SPECIES

Ronald L. Knight and Michael K. RustRonald L. Knight and Michael K. Rust

Department of Entomology, University of CaliforniaDepartment of Entomology, University of California Riverside, CA 92521Riverside, CA 92521

(1) Pervasiveness of Argentine ants in California(2) Challenge they present to PMP’s

“Argentine ants were more difficult to control than any other speciesalong the California coast and in densely populated areas based onthe percentage of retreatments or call-backs for each species.”

Summer Ant ProgramSummer Ant Program

HomeownersHomeownersRiversideRiversideMoreno ValleyMoreno Valley

Rust LaboratoryRust Laboratory

PersonnelPersonnelArrange for and Arrange for and schedule schedule treamentstreamentsMonitor ant Monitor ant populations around populations around homeshomes

Population MonitoringPopulation Monitoring

Outside homes before and after treatmentOutside homes before and after treatment1,2,4,8 weeks1,2,4,8 weeks

Sugar Water VialsSugar Water VialsPlacementPlacement

10 near the house10 near the house10 away from house10 away from house

Covered with flowerpotCovered with flowerpotLeave out 24Leave out 24--hhCollect and measure Collect and measure consumptionconsumption

0.3 mg/visit*0.3 mg/visit*Total/0.3 = no. ant visitsTotal/0.3 = no. ant visitsEvaporative water lossEvaporative water loss

*Reierson, et al. 1998. Monitoring with sugar water to determine the efficacy of treatments to control Argentine ants, Linepithema humile (Mayr): 78-82. Proc. Natl. Conf. Urban Entomol., San Diego, CA.

TreatmentsTreatments

Designed toDesigned toMaximize efficacyMaximize efficacyMinimize runoffMinimize runoff

Focused on Focused on developingdeveloping

Targeted sprayTargeted sprayBaitsBaits

StandaloneStandaloneComboCombo

Ant SurveyAnt Survey

0

50

100

150

200

250

No.

of I

nfes

tatio

ns

Foundation Porch Patio Lawn Trees/Shrbs Sdwlk/Drwy Other

80% of infestations outside80% of infestations outsideSidewalks and drivewaysSidewalks and driveways

Trail along edgesTrail along edges

Spot TreatmentsSpot Treatments

1 gallon 1 gallon TermidorTermidor vs. 3vs. 3--4 gallons4 gallons

TermidorTermidor Spot Treatment Spot Treatment

82%

55%

Spot TreatmentsSpot TreatmentsEdgesEdges

Maximizes horizontal Maximizes horizontal transfer of fiproniltransfer of fipronilVulnerable to runoffVulnerable to runoff

New Label RestrictionsNew Label Restrictions

In 2009 DPR modifies In 2009 DPR modifies labellabel

Restricting applications Restricting applications to around the to around the structurestructure

2009 Treatments2009 Treatments

Limited applications Limited applications of of TermidorTermidor

Selected two variablesSelected two variablesVolume of insecticide: Volume of insecticide: one gallon or 0.5 one gallon or 0.5 gallonsgallonsNozzle setting: fan Nozzle setting: fan spray or pinspray or pin--stream stream

2009 2009 TermidorTermidor TrialsTrials

Perimeter ApplicationOne Gallon Pin-Stream

Perimeter ApplicationOne Gallon Fan spray

85%

85%

62%29%

46%

2009 2009 TermidorTermidor TrialsTrials

Perimeter Application0.5 Gallons Pin-Stream

Perimeter Application0.5 Gallons Fan Spray

26%22%

64%

21%

29%

PinPin--Stream EfficacyStream Efficacy

Concentrated band of Concentrated band of insecticideinsecticideAnts tendency to trail Ants tendency to trail along treated edgealong treated edge

BaitsBaitsLiquid sweetened Liquid sweetened baitsbaits

VitisVitis0.001% 0.001% imidaclopridimidacloprid(Bayer)(Bayer)

ExperimentalExperimental0.003% 0.003% thiamethoxamthiamethoxam((SyngentaSyngenta))

KM KM AntProAntPro bait bait dispenserdispenser

44--6 stations/house6 stations/house

ThiamethoxamThiamethoxam BaitBait

0.003%

80%

85%

80%

Experimental Granular BaitExperimental Granular Bait

0.063% 0.063% metaflumizonemetaflumizone (BASF) (BASF)

StandaloneStandaloneCombo with Combo with TermidorTermidor

Broadcasted in foliageBroadcasted in foliage

Bait AloneBait Alone

93%69%

Spray AloneSpray Alone

97%80%

ComboCombo

92%86%

SummarySummary

Increasing Increasing environmental environmental awarenessawarenessRegulatory issues Regulatory issues with runoffwith runoffIPM and the pest IPM and the pest control industrycontrol industry

More targetMore target--specific specific treatmentstreatments

http://groups.ucanr.org/UrbanAnt

Urban Pest Ant Management Online