Ключевые слова: alfalfa, antenna, beautiful, beauty, butterfly, closeup, colias, colias erate, copulating, eastern pale clouded yellow, ecology, erate, female, field, grass, green, insect, lepidoptera, lucerne, macro, male, mating, meadow, natural, nature, nectar, pair, pale, pieridae, plant, sex, spring, summer, wildlife, wing, yellow,