Regulation of fluid secretion. Expressed in corpora cardiaca (CC), corpora allata (CA), antennal lobe (AL) and gnathal ganglion (GNG) (at protein level). Expression in CC and CA detected in all animals, in GNG in most animals, expression in AL detected in few animals (at protein level). Belongs to the sauvagine/corticotropin-releasing factor/urotensin I family.