Most likely a moth.
The Pediobius foveolatus is a fast-moving non-stinging predatory insect typically with iridescent wings and a brilliantly-coloured body
A mallard is a bird that has an iridescent green head and brown on the body. The ring necked pheasant is another bird with a brown body, and an iridescent green head.
Body is black and the wings are grey-white.
could be a spider wasp
An insect that has a white body and two pairs of black square wings could be a nymph. The nymph is commonly found near vegetables.
Could be a cabbage white, not only are they small but are the most common butterfly. Possibly a wood white, depending on if you are outside US.
They have red and black head, white neck, white body, black and white wings, and orange feet.
could be ptarmigan
Its body is similar to a bee, and the wings are shaped like a moth. I know it is not a dragonfly.
The caddisfly is a common insect that fits this description. They have white or light-colored bodies and dark wings with a distinctive triangular shape when at rest. Caddisflies are often found near water sources where their larvae develop.
they have a soft thin round body they have a light iridescent colour
Common Grackles have iridescent heads that often look blue in the right light, and their bodies are a sort of brownish, iridescent black.