common sulphur butterfly on purple flowers of butterfly bush, co

alien angiosperm animal arthropod blue botany bush butterfly chain clouded collecting common connecticut conservation deep donnelly england environment flower flowering folded food foraging gathering horizontal insect introduced invasive lavender lepidoptera mutualism nature nectar new nobody northeast outdoors petals plant pollinator preservation preserve primary proboscis producer profile purple pyramid reserve sky south species sulphur summertime symbiosis trophic usa wildflower windsor wings