Ideoblothrus papillon is a species of pseudoscorpion in the Syarinidae family.

It was described in 1991 by Australian arachnologist Mark Harvey.

The specific epithet papillon refers to the type locality.

[1] The species occurs in North West Australia.

The type locality is Papillon Cave (C-15), in the Cape Range, where the holotype was found beneath a stone in the dark zone.