DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY DR. JOHN BRACKENBURY / SCIENCE PHOTO LIBRARY
Dance flies mating. Male (top) and female (bottom) Empis tessellata flies on a plant stalk. The male has presented the female with a prey item as a gift, and is now suspending his mate and the prey from the plant stalk by a single leg (upper centre). Photographed in the UK, in May.
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