Key to Austromorium Species


 * Body smaller (head width < 0.85mm), gaster banded (honey yellow anteriorly and posteriorly, brown medially), propodeal lobes developed as sharp spines posteriorly (widespread across southern Australia) => Austromorium flavigaster


 * Body larger (head width > 1.30mm), gaster uniformly coloured dark brown, propodeal lobes large and rounded posteriorly (restricted to coastal plain between approximately Geraldton and Perth, Western Australia) => 'Austromorium hetericki''