Motuweta riparia, the Raukūmara tusked wētā, is a species of large flightless insect in the family Anostostomatidae.

The species, like the related Mercury Islands tusked wētā has tusks which is used as a weapon.

They are found near small shaded streams near the Raukūmara region, usually under rocks in their digged out chamber.

The species is found in the Gisborne and Ōpōtiki Districts.

This article about a member of the insect family Anostostomatidae is a stub.