Idiosoma gutharuka is a species of mygalomorph spider in the Idiopidae family, endemic to Australia and described in 2018 by Australian arachnologists Michael Rix and Mark Harvey. The specific epithet gutharuka comes from a contraction of "Gutha" and "Pintharuka", in reference to the type locality.[1]
The species occurs in Western Australia in the northern Avon Wheatbelt bioregion. The type locality is Gutha, near Pintharuka.[1]