Gromphadorhina is a genus of large, flightless cockroaches from southern Madagascar; they are typical of the tribe Gromphadorhini (hissing cockroaches) and common in the pet trade. In the older literature, the name is sometimes misspelled as Gromphadorrhina.
Species The Cockroach Species FileCockroach Species File lists: Gromphadorhina grandidieri Kirby, 1904 Gromphadorhina oblongonota van Herrewege, 1973 Gromphadorhina picea van Herrewege, 1973 Gromphadorhina portentosa (Schaum, 1853) - type species (as Hormetica portentosa Schaum)
As pets All four Gromphadorhina species are widely kept as exotic pets, where the most well-known species is the Madagascar hissing cockroach, (G. portentosa), though this is debatable as at least two other species in the genus are commonly confused with it; G. oblongonota and G. picea.
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