Appearance
The length is 65–80 millimetres. Although its basic form is similar to other Stenopelmatoidea, it is somewhat elongated. Its body color is brown. The female has a rudimentary ovipositor, unlike true Gryllacrididae or Anostostomatidae species. It is similar to the Jerusalem cricket, but it is the only species of Stenopelmatidae that lives in Indonesia, though the related species ''Sia incisa'' occurs in Malaysia.
Habitat
The species is a nocturnal predatory cricket that preys on other insects found in the bottom of the rainforest. Like other Stenopelmatidae species, ''Sia ferox'' usually hides in its burrow during the day. At night, it comes out from its burrow and searches for prey like spiders crickets and grasshoppers. The detailed ecology of ''S. ferox'' is not known due to insufficient research.References:
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