common carder bee on a scottish thistle in field

aculeata ants asteraceae bee bees biennial bloom blooming blossom bud carder common copious cotton eggs eusocial floral florescence flower flowering flowers garden honey hornets horticulture hoverflys insect larvae laying leaves nature nectar nest nests petal plant pollinators predators queen rosette scotch solitary spiny sting summer thistle vespidae wasp wasps yellowjacket