Key to species of Aconurella from Pakistan (Ƌ)

1. Pygofer side with many spinules at dorsoapical margin, some large (Figs 2A, 3A, 4A)............................... 2

- Pygofer side dorsoapical margin without or with sparse small spinules (Figs 1A, 5A)................................ 4

2. Subgenital plates as long as or slightly longer than pygofer (Plate I: G, I); with two macrosetae at apex (Fig. 3B)................................................................................................ A. paraerebus sp. n.

- Subgenital plates subequal to pygofer; with more than two macrosetae at apex (Figs 1D, 2B, 4B, 5B)................... 3

3. Subgenital plates longer than pygofer (Fig. 2B); style apophysis smooth (Fig. 2D)........................... A. erebus

- Subgenital plates shorter than pygofer (Fig. 4B); style apophysis serrate with enlarged preapical tooth (Fig. 4D, E).............................................................................................. A. naranensis sp. n.

4. Pygofer dorsal margin without spinules (Fig. 1A–C); connective arms close together distally (Fig. 1G)........... A. prolixa

- Pygofer dorsal margin with small spinules (Fig. 5A); connective arms widely separate from each other (Fig. 5C)..................................................................................................... A. choui sp. n