蟪 (w)

(huì) (cicada); Platypleura kaempferi

蟪蛄 (w)

(huìgū) Platypleura kaempferi, a kind of cicada

蟪蛄不知春秋 (w)

(huìgūbùzhīchūnqiū) lit. short-lived cicada does not know the seasons; fig. to see only a small piece of the big picture