AcrobAt Ant•FoundthroughouttheU.S.;namederivedfromhowitraisesitsabdomenoveritsheadandthoraxwhendisturbed•Workersarethesamesize,¹⁄16”–¹⁄8”(2.5–4mm)long,lightbrowntoblackincolor,have11-segmentedantennae

withathree-segmentedclubandathoraxwithonepairofdorsalspines•Infestsfoaminsulationandstructures,preferringmoisture-softenedwood•Nestsinmoderatetolargecolonies,withswarmersactivefrommid-JunetolateSeptember•Cansting,biteandemitarepulsiveodor

Argentine Ant•NativetoArgentinaandBrazil;wasintroducedviaNewOrleanscoffeeshipsinthe1800s•Foundinsouthernstates,CaliforniaandalongtheEastCoast•Workersarethesamesize,¹⁄16”(2.2mm)long,lighttodarkbrownincolor,have12-segmentedantennaewithnoclub,

anunevenlyroundedthoraxprofileandnostinger•Caninvadebuildingsinlargenumbers;trailsalongtreeandshrubbranchesandutilitylines/wirestogainentrance•Workersusuallyeliminateotherinsectspeciesfromthearea;separatecoloniesarefriendlyanddonotfight•Donotsting,butcanbitewhenprovoked

bigheAded Ant•FoundthroughouttheU.S.includingHawaii•Workersaredifferentsizesandmajorworkershaveexceptionallylargeheads;are¹⁄16”–¹⁄₄”(1.5–6mm)long,

yellowishtodarkreddishbrownincolorandhave12-segmentedantennaewithathree-segmentedclub•Occasionallyinvadesstructuresandnestsunderslabs,butusuallynestsinsoilaroundstructures•Canstingandemitafoulodorwhenalarmed

cArpenter Ant•FoundthroughouttheU.S.;hollowsoutgalleriesinmoistwoodfornests,whichcancausestructuraldamage•Workersrangeinsizefrom¹⁄8”–¹⁄2”(3.5–13mm)long;areblackwithcombinationsofredandblack,have

12-segmentedantennaewithnoclub,evenlyroundedprofileonuppersideandnostinger•Coloniesusuallyhaveonequeen;canhavesatellitenestsseparatefrommaincolonywithnoqueen•SwarmersappearfromMaytoAugustintheEastandfromFebruarytoJuneintheWest•Donotsting,butcanhavepainfulbitesandemitastrongacidicodorwhendisturbed

cornfield/Moisture Ant•FoundthroughouttheU.S.butlesscommoninthegulfstates•Closelyassociatedwithcornplantingsandthecornrootaphid;alsocalledmoistureantsduetonestinghabitsin

high-moistureareassuchasdamp,rottingwood•Workersarethesamesize,¹⁄16”–⅛”(2–3mm)long,browntodarkreddishbrowntoalmostblackincolor,have

12-segmentedantennaewithnoclub,alargecompoundeye,unevenlyroundedprofileandnostinger•Feedsonsweetsandproteinsuchasinsects•Swarmingoccursmidsummertoautumn;workersemitastrongacidicodorwhenalarmed

crAzy Ant•Commoninsouthernstates;foundindoorsinnorthernstatesbecauseitcannotsurvivewinteroutdoors•Namedderivedfromerratic,jerkyrunningmanner•Workersarethesamesize,¹⁄16”to⅛”(2.2–3mm)long,slender,darkbrowntoblackwithgraysheen,longantennae

andlegscomparedtobodyand12-segmentedantennaewithnoclub•Inside,nestsunderneathfloorsandinpottedplantsandwallvoids;outside,nestsindryandmoisthabitatsand

commonlyinmulchbeds•Workersforageintrailsupto100feetfromthenest;preferssweetsbutconsumesavarietyoffoods

fire Ant•Includesthesouthernandredimportedfireants;coststheU.S.billionsofdollarsannuallyindamageandcontrol•SouthernfireantfoundfromCaliforniatoFlorida;redimportedfireantfoundthroughoutsouthernU.S.•Namederivedfromabilitytoinflictpainfulbitesandstings•Workersaredifferentsizes,¹⁄16”–¹⁄₄”(1.6–6mm)longwithayellowish-redheadandthoraxandblackabdomen,

10-segmentedantennaewithtwo-segmentedclubandunevenlyroundedthoraxprofilewithstingerpresent•Buildsnestsoutdoorswithmultiplequeens•Nestsarecommoninagriculturalplantingsandlivestockfarms;isalsoapestofurbanenvironments•Deliverspowerfulbitesandstings;troublesomeforlivestockandvulnerablepeoplesuchastheelderlyorinfants

AntGuideAntscancauseseriousproblemsforyourbusiness.Thisguide,aspartofEcolab’scomprehensivepesteliminationprogram,willhelpensureyoucanconfidentlymaintainapest-freefacility.

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ghost Ant•FoundincentralandsouthernFloridaandHawaii,andinindoorgreenhousesandplantscapesinnorthernstates•Ishardtoseeduetoitspalecolorandsmallsize;notknowntoswarm•Workersarethesamesize,¹⁄16”(1.3mm)longwithadarkbrownheadandthoraxandpale-coloredantennaeand

legs;have12-segmentedantennaethatthickentowardsthetipandnostinger•Nestsindoorsinwallvoids,behindbaseboardsandinthesoilofpottedplants,oroutdoorsinthesoil•Workersemitrotten,coconut-likeodorwhendisturbed

hArVester Ant•Namedforhowitcollectsorharvestsseedsforfood;thereare22speciesintheU.S.•Workersarethesameordifferentsizesdependingonspecies,are¹⁄₄”–¹⁄2”(4.7–11.5mm)long,orangetodarkbrown

incolor,have12-segmentedantennaewithnoclub,athoraxwithonepairofspinesontopandastinger•Causeslargebarespotsonlawnsduetovegetationremovalarounditsnest•Moundsaresometimescoveredwithsmallfragmentsofdeadvegetationthattrapheatinside•Swarmingoccursduringsummerafternoonsfollowingrain•Canstingandbite;isknowntokillanimalsthatdisturbitsnest

hypoponerA Ant•FoundinFlorida,ConnecticutandNewYork;hasnocommonname;over170speciesworldwide•Workersarethesamesizeand¹⁄16”(2mm)longorless,withnarrow,elongated,yellowishbrowntoblackbodies,

have12-segmentedantennaewithnoclub,andevenlyroundedprofileswithastinger•Primarilyspreadbycommercesuchaspottedtropicalplants•Coloniesoccurinleaflitter,understones,logsorinthesoil;onlyfemaleswarmersareobserved•Swarmbetweenlatemorningandafternoonduringthesummer•Stingscanproduceminorirritationtored,itchywelts

odorous house Ant•FoundthroughouttheU.S.;namedforstrong,rottencoconut-likeodoritproduceswhencrushed•Workersarethesamesizeand¹⁄16”–⅛”(2.4–3.3mm)long,browntoblackincolor,have12-segmentedantennae

withnoclub;nostinger•Majorstructure-invadingspecies;constructsnestsnearmoisturesourcessuchasvoidsnearhotwaterpipesand

aroundsinks•Preferssweetsbuteatsgreasyfoodssuchasmeatsandcheeses•Colonieshavemultiplequeens;antsfromdifferentcoloniesarefriendlyandmovealongtrails

pAVeMent Ant•FoundintheeasternhalfoftheU.S.andontheWestCoast;namedbecausenestsarecommonlylocated

inpavementcracks•Workersarethesamesize,¹⁄16”–⅛”(2.5–3mm)long,lightbrowntoblackwithpalerlegsandantennaeandahead

andthoraxthatarefurrowed/groovedwithparallellines;has12-segmentedantennae,withathree-segmentedclub,unevenlyroundedprofileandathoraxcontainingapairofsmallspines

•Nestsinsideinwalls,insulationandunderfloorsandslabsnearheatsourcesduringwinter•SwarmersappearoutsideinJuneandJulybutcanemergeanytimeinside;workersbiteandsting

onlywhenprovoked

phArAoh Ant•FoundthroughouttheU.S.;namedforLinneaus’mistakenbeliefthatthisantwasoneofEgypt’splaguesduringthe

timeofthepharaohs•Workersarethesamesize,¹⁄16”(1.5mm)longwithapale,yellowishtoreddishbodyanddarkerabdomen,an

unevenlyroundedprofile,stingerand12-segmentedantennaewithathree-segmentedclub•Nestsinsidewarm,humidareasnearfoodandwatersources;commonincommercialbuildings;ofconcern

inhospitalswheretheywillenterpatientwounds,IVbottlesandtubes;cancarrymorethanadozenpathogenicbacteria

•Nestsaredifficulttofindastheytendtobehiddeninwallvoidsandbehindbaseboards

thief Ant•FoundthroughouttheU.S.•Workersarethesamesize,¹⁄16”(1.3mm)long,paleyellowishtodarkbrown,have10-segmentedantennae

withatwo-segmentedclub,anunevenlyroundedprofileandminisculestinger•Nestsnearotherantspeciesandrobsthemoffoodandbrood;foragesintrailsandprefershigh-protein

foodsandsweets•Nestsinsideinsmallcrevices,woodworkandmasonry;commonlyentersstructuresduringhotweather•Maycarrydisease,asitisknowntofeedondeadanimals

White-footed Ant•Foundintropical-likeclimatessuchasHawaii,Florida,California,TennesseeandLouisiana•Namedforitspaleyellowishtowhitetarsi,orfeet•Workersarethesamesize,⅛”(3mm)longwithblacktobrownishblackbodiesandpaleyellowtowhitelegs,an

unevenlyroundedprofile,12-segmentedantennaeandnostinger•Largecolonieshavemultiplequeens;50%ofthecolonyarereproductivesthatmateandlayfertileeggsandthe

remainingindividualslayeggsthatserveasthecolony’sfoodsource•Foragesintrails,mostlyatnightincoolertemperatures;invadesstructuresinsearchofsweetliquidsandwater

370WabashaStreetNSt.Paul,MN55102www.ecolab.comUS:18003251671CANADA:18003525326 ©2012EcolabUSAInc.Allrightsreserved.SB500/0812

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