bees and hoverfly's on a corn marigold flower on a sunny day in a garden summer

corn marigold yellow bicoloured flowers copious nectar blooming bees hover flys hoverflys wasps honey nature flower summer garden blossom floral bloom petal wasp insect ants sting yellowjacket hornets predators pollinators laying eggs nests solitary horticulture glebionis segetum flowering plant asteraceae daisy ray florets disc weed sugar pollen meadow cornflower butterflies pearl crescent hoverfly’s sunny day hoverfly's