black-veined white butterfly on clover flower

animal animals aporia beneficial blackveined bug bugs butterflies butterfly clover crataegi creature critter critters daylight daytime detail detailed details entomology environment europe fauna favorable feeding field fields flower flowers free habitat helpful herb herbs insects invertebrate lepidoptera meadow meadows mediterranean natural nature nsect outdoors outside pink pollen pollinating pollinator rare southwestern species trifolium useful valuable vegetation white whitewinged wild wildlife