Western Bumble Bee

Bombus occidentalis native bee

A short-tongued social bumble bee. Forages on Centaurea, Cirsium, Geranium, Grindelia and others.

64 documented plant relationships.

sips nectar at

BalsamrootBalsamorhiza sagittatawildflower · May-JulBearberryArctostaphylos uva-ursigroundcover · May–JuneBirch-leaved SpireaSpiraea betulifoliashrub · Jun-JulBoreal YarrowAchillea borealiswildflower · June-AugustCanada GoldenrodSolidago canadensiswildflower · August–SeptemberCommon PaintbrushCastilleja miniatawildflower · June–AugustCommon SnowberrySymphoricarpos albusshrub · June–JulyElegant GoldenrodSolidago lepidawildflower · August-SeptemberField ChickweedCerastium arvensegroundcover · May-JulyFireweedChamaenerion angustifoliumwildflower · July-AugustGiant HyssopAgastache foeniculumwildflower · July–SeptemberGolden BeanThermopsis rhombifoliawildflower · May–JuneGumweedGrindelia squarrosawildflower · July-SeptemberHeart-leaved ArnicaArnica cordifoliawildflower · May-JulyLate GoldenrodSolidago giganteawildflower · August-SeptemberLeafy AsterSymphyotrichum foliaceumwildflower · July-SeptemberPale AgoserisAgoseris glaucawildflower · June–JulyPearly EverlastingAnaphalis margaritaceawildflower · July–SeptemberPink Monkey FlowerErythranthe lewisiiwildflower · July-AugustPrairie GoldenrodSolidago missouriensiswildflower · July-AugustPrairie RoseRosa arkansanashrub · June–AugustRabbitbrushEricameria nauseosashrub · August-OctoberRed Osier DogwoodCornus sericeashrub · June–JulyRocky Mountain BeeplantPeritoma serrulatawildflower · June-SeptemberRound-leaved AlumrootHeuchera cylindricawildflower · June–JulySaline Shooting StarPrimula pauciflorawildflower · May-JunScorpion WeedPhacelia sericeawildflower · Jun-AugShowy FleabaneErigeron speciosuswildflower · June–AugustShrubby CinquefoilDasiphora fruticosashrub · June–SeptemberSilky LupineLupinus sericeuswildflower · Jun-AugSilvery LupineLupinus argenteuswildflower · Jun-AugSitka ValerianValeriana sitchensiswildflower · Jun-AugSlender Cinquefoil (Graceful Cinquefoil)Potentilla graciliswildflower · June–AugustSmooth AsterSymphyotrichum laevewildflower · August–OctoberSpreading DogbaneApocynum androsaemifoliumwildflower · June–AugustSticky Purple GeraniumGeranium viscosissimumwildflower · June–JulyStiff GoldenrodSolidago rigidawildflower · August–SeptemberThimbleberryRubus parviflorusshrub · June–JulyUmbrella BuckwheatEriogonum umbellatumwildflower · June-AugustWater ParsnipSium suaveaquatic · Jul-AugWater SmartweedPersicaria amphibiawildflower · June–SeptemberWestern SnowberrySymphoricarpos occidentalisshrub · June–JulyWild BergamotMonarda fistulosawildflower · July–AugustWild RaspberryRubus idaeusshrub · June–JulyWood Betony (Bracted Lousewort)Pedicularis bracteosawildflower · June–AugustWoods' RoseRosa woodsiishrub · Jun-JulYellow BeardtonguePenstemon confertuswildflower · May-JulYellow Monkey FlowerErythranthe guttatawildflower · Jun-Aug

gathers pollen at

ChokecherryPrunus virginianashrub · May–JuneCommon PaintbrushCastilleja miniatawildflower · June–AugustCommon SnowberrySymphoricarpos albusshrub · June–JulyFireweedChamaenerion angustifoliumwildflower · July-AugustLate GoldenrodSolidago giganteawildflower · August-SeptemberNodding OnionAllium cernuumwildflower · June–AugustPrairie GoldenrodSolidago missouriensiswildflower · July-AugustPrickly Wild RoseRosa acicularisshrub · June–JulyPurple Prairie CloverDalea purpureawildflower · July–AugustSilky LupineLupinus sericeuswildflower · Jun-AugSlender Blue BeardtonguePenstemon proceruswildflower · Jun-JulSticky Purple GeraniumGeranium viscosissimumwildflower · June–JulyThree Flowered Avens (Prairie Smoke, Old Man's Whiskers)Geum triflorumwildflower · May–JuneWhite GeraniumGeranium richardsoniiwildflower · June–AugustWild BergamotMonarda fistulosawildflower · July–AugustWild RaspberryRubus idaeusshrub · June–July