Abstract
A new Hyalochilus Fieber from Reunion Island with a key to the species of the genus (Heteroptera, Rhyparochromidae). Hyalochilus gomyi Matocq, n. sp., is described from Reunion Island. Habitus, evaporatorium of the metathoracic glands, abdomen, male and female genitalia are illustrated. The habitus of the four other speciesof Hyalochilus known to date is also illustrated, and a key to the species of the genus is given.