Blakistonia birksi

Blakistonia birksi is a species of mygalomorph spider in the Idiopidae family. It is endemic to Australia. It was described in 2018 by Australian arachnologists Sophie Harrison, Michael Rix, Mark Harvey and Andrew Austin. The specific epithet birksi honours Nicholas Birks for his assistance in collecting and photographing specimens.

Distribution and habitat
The species occurs in south-eastern South Australia and western Victoria, in habitats ranging from sandy mallee-heath to sclerophyll forest. The type locality is Ngarkat Conservation Park. It has also been recorded from the Mount Lofty Ranges and the Grampians National Park.