Indiscriminate Cuckoo Bumble Bee

Bombus insularis native bee

A cuckoo (Psithyrus) bumble bee, produces no workers and usurps the colonies of other Bombus. Adults nectar at Aster, Melilotus, Rubus.

61 documented plant relationships.

sips nectar at

Alpine AsterAster alpinuswildflower · June-JulyArctic AsterEurybia sibiricawildflower · Jul-SepBalsamrootBalsamorhiza sagittatawildflower · May-JulBirch-leaved SpireaSpiraea betulifoliashrub · Jun-JulBlanketflowerGaillardia aristatawildflower · June–SeptemberBoreal YarrowAchillea borealiswildflower · June-AugustBracted HoneysuckleLonicera involucratashrub · June–JulyCanada GoldenrodSolidago canadensiswildflower · August–SeptemberCanada Milk VetchAstragalus canadensiswildflower · June–AugustChokecherryPrunus virginianashrub · May–JuneCommon SnowberrySymphoricarpos albusshrub · June–JulyDotted BlazingstarLiatris punctatawildflower · August–SeptemberElegant GoldenrodSolidago lepidawildflower · August-SeptemberFireweedChamaenerion angustifoliumwildflower · July-AugustGiant HyssopAgastache foeniculumwildflower · July–SeptemberGreater Northern AsterCanadanthus modestuswildflower · July–SeptemberGumweedGrindelia squarrosawildflower · July-SeptemberHairy Golden AsterHeterotheca villosawildflower · July-SeptemberHeart-leaved ArnicaArnica cordifoliawildflower · May-JulyLate GoldenrodSolidago giganteawildflower · August-SeptemberLeafy ArnicaArnica chamissoniswildflower · July–AugustLeafy AsterSymphyotrichum foliaceumwildflower · July-SeptemberMarsh CinquefoilComarum palustrewildflower · June–AugustMoss PhloxPhlox hoodiigroundcover · Apr-JunNarrow-leaved HawkweedHieracium umbellatumwildflower · Jul-SepPale AgoserisAgoseris glaucawildflower · June–JulyPearly EverlastingAnaphalis margaritaceawildflower · July–SeptemberPrairie GoldenrodSolidago missouriensiswildflower · July-AugustRabbitbrushEricameria nauseosashrub · August-OctoberRocky Mountain BeeplantPeritoma serrulatawildflower · June-SeptemberRound-leaved AlumrootHeuchera cylindricawildflower · June–JulySaskatoon BerryAmelanchier alnifoliashrub · May–JuneSelf-healPrunella vulgariswildflower · June–AugustShowy AsterEurybia conspicuawildflower · July–SeptemberShowy FleabaneErigeron speciosuswildflower · June–AugustShowy MilkweedAsclepias speciosawildflower · June–AugustShrubby CinquefoilDasiphora fruticosashrub · June–SeptemberSitka ValerianValeriana sitchensiswildflower · Jun-AugSlender Blue BeardtonguePenstemon proceruswildflower · Jun-JulSlender Cinquefoil (Graceful Cinquefoil)Potentilla graciliswildflower · June–AugustSmooth AsterSymphyotrichum laevewildflower · August–OctoberSpreading DogbaneApocynum androsaemifoliumwildflower · June–AugustSticky Purple GeraniumGeranium viscosissimumwildflower · June–JulyStiff GoldenrodSolidago rigidawildflower · August–SeptemberThree Flowered Avens (Prairie Smoke, Old Man's Whiskers)Geum triflorumwildflower · May–JuneWater ParsnipSium suaveaquatic · Jul-AugWestern Blue IrisIris missouriensiswildflower · May-JulyWestern SnowberrySymphoricarpos occidentalisshrub · June–JulyWhite GeraniumGeranium richardsoniiwildflower · June–AugustWild BergamotMonarda fistulosawildflower · July–AugustWild ChivesAllium schoenoprasumwildflower · June–JulyWild MintMentha canadensiswildflower · July–AugustWild RaspberryRubus idaeusshrub · June–JulyWoodland StrawberryFragaria vescagroundcover · May–JuneYellow BeardtonguePenstemon confertuswildflower · May-JulYellow PuccoonLithospermum ruderalewildflower · April-June

gathers pollen at

FireweedChamaenerion angustifoliumwildflower · July-AugustLate GoldenrodSolidago giganteawildflower · August-SeptemberPrairie GoldenrodSolidago missouriensiswildflower · July-AugustTall LarkspurDelphinium glaucumwildflower · Jul-AugWild BergamotMonarda fistulosawildflower · July–August