After mating, the male rice leaf beetle (Oulema oryzae) is far from anxious to leave, remaining instead on the female's back, and only departing reluctantly after turning several more circles.
負泥蟲交配結束後，雄蟲並不急著離開，會在雌蟲背上轉幾圈後，才以留連不捨的步伐，慢慢離去。