The shape of the adult body is radically different from that of the larvae. The long, sharp proboscis has disappeared, and been replaced by a short, flat one. They no longer consume snails; indeed, except for dew, the vast majority of adults take no food at all.
成蟲的身體構造和幼蟲迥異，磨去年少時的「鋒芒」，長而尖銳的口器消失，變為短而平，不再攻擊蝸牛；除了露水，大部分的成蟲幾乎不沾任何食物。