Key to species of Neoparanothrotes

1 Body large and less depressed dorso-ventrally (male: body length 25.5–27; female: body length 45-61, pronotum 7.6–9.4, hind femur 16–19.5 mm) (Fig. 518); anterior margins of the first 5–6 abdominal tergites with a couple of black spots dorsally; vertex slightly convex up to fastigium in lateral view (Figs. 518–519); hind femur with blackened inner and ventral surfaces; hind tibia pale yellow turning to orange at apex or ventral surface weakly blackened without orange at apex; tarsus orange....................................................................................... N. borumandi Mirzayans

- Body distinctly smaller and more depressed dorso-ventrally (female: body length 38, pronotum 7.2, hind femur 14.5 mm) (Fig. 520); dorsal surface of abdominal tergites without black spots; vertex more convex up to frontal ridge in lateral view (Figs. 520–521); hind femur with slightly blackened inner and ventral surfaces; hind tibia lemon yellow turning to orange in apical 1/ 3 part; tarsus reddish-orange....................................................... N. diamesus (Bey-Bienko)