respiratory horn

From ZooTerms (Dictionary of Invertebrate Zoology)
Jump to: navigation, search
respiratory horn: 1. In Diptera, paired prothoracic protuberances on the aquatic pupae of most Culicidae and Ceratopogonidae; respiratory trumpet.

2. A sharply pointed post-abdominal siphon in some aquatic insect pupae that are thrust into the aerenchyma of aquatic plants.