brachycera diptera fly on buttercup flower

andorran animal animals beneficial brachycera bug bugs buttercup creature critter critters daylight daytime detail detailed details diptera entomology environment european fauna favorable feeds field fields flower flowers fly free habitat helpful herb herbs insect insects invertebrate meadows mediterranean mountains natural nature outdoors outside pollen pollinating pollinator pyrenees ranunculus rare species strange suborder useful valuable vegetation weird wild wildlife yellow