- hypostomal bridge
(ARTHROPODA: Insecta)1. Union of the hypostomata of the two sides meeting in the midline below the occipital foramen which is continuous with the postocciput.2. In Diptera, the parts of the genae joined ventrally between the compound eyes.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.