Differs from all congeners by having: metaterga 2–8 with two rows of 2+2 (anterior) setiferous cones and 3(2)+3(2) (posterior) setiferous spines; metaterga 9–18 with two rows of 3+3 (anterior) setiferous cones and 4(3)+4(3) (posterior) setiferous spines; ventral lobe (vll) of lamina lateralis short and stout, digitiform; process (plm) of lamina lateralis tube-like, quite long.