Abdominal gills

These are tracheal gills,usually borne on the abdomen.They are filiform or more or less lamellate structures that are well supplied with tracheae and tracheoles.They are present in the majority of aquatic larvae and in some aquatic pupae.

Nearby pages
Abdominal groove, Abdominal pouch, Abdominal process, Abdominal sternite, Abdominal style