common milkweed bud with ne milkweed beetle - asclepias syriaca

common milkweed asclepias syriaca unoped buds blossom commonly called butterfly flower silkweed silky swallowwort virginia species flowering plant genus milkweeds clonal perennial herb growing tall ramets grow rhizomes insect feed host monarch native southern canada united states rocky mountains excluding drier parts prairies grows sandy soils sunny areas flies beetles ants bees wasps butterflies important food sources caterpillars danaus plexippus northeastern midwestern include tetraopes tetraophthalmus tussock caterpillar euchaetes egle oncopeltus fasciatus lygaeus kalmii close bud beetle