common milkweed seed pod bursting open and a milkweed beetle - asclepias syriaca

asclepias beetle beetles bursting butterflies butterfly called canada caterpillar caterpillars clonal common commonly danaus drier euchaetes excluding fasciatus flower flowering genus growing grows important include including insect kalmii kinds lygaeus midwestern milkweed milkweeds monarch mountains native northeastern oncopeltus parts perennial plant plexippus prairies ramets rhizomes rocky sandy silkweed silky soils sources southern species states sunny swallowwort syriaca tetraopes tetraophthalmus tussock united virginia