Ключевые слова: asterids, biennial, black, bloom, blossom, carduoideae, cirsium, cirsium perennial, cirsiumxa, closeup, cottage, cynareae, detailed, european, flower, flower heads, flowering plant, fly, food, footballer, green, helophilus, helophilus trivittatus, hover, hoverfly, important, insect, macro, palearctic, palearctic hoverfly, parks, perennial, pink, plant, plume thistle, pollen, pollination, portrait, purple, syrphid, thistle, trivittatus, weeds, white, wild, wildlife, wing, yellow,