blooming thistle with a bumblebee, bombus,full of pollen. neonicotinoid pesticides represent a risk to wild bees and

bee bees bloom blooming blossom botanical bug bugs bumblebee close clothianidin color contrast detail field flora floral flower flowers green honey imidacloprid insect meadow natural nature nectar neonicotinoids open pesticides petals plant pollen pollinate pollination research residues restricted risk spring summer thiamethoxam thistle thistles wild wildlife