Key to the Halodromus species

1 Males ......................................................................................................... 2

– Females...................................................................................................... 6

2 Patellar apophysis longer than tibia of male palp, PTA laminate, projecting beyond retrolateral margin of tibia (Figs 33-34)..................... H. patellidens

– Patellar apophysis not longer than ¾ the length of tibia of male palp, PTA hooked, not projecting beyond retrolateral margin of tibia (e.g. Fig. 17).... 3

3 Embolus with distinct prolateral bulge at basis of distal embolus (Figs 21, 25, 29), RTA a wide, rounded projection......................................................... 4

– Embolus without distinct prolateral bulge at basis of distal embolus, RTA reduced to a small hump (Figs 17-18)............................. H. barbarae sp. n.

4 Distal embolus stout, curved to retrolateral side, PTA narrow (Figs 1, 29-30) ................................................................................................ H. patellaris

– Distal embolus a thin spur, PTA large (Figs 21, 25) ................................... 5

5 Patellar apophysis with distinct bulge at base of ventral margin (Figs 21-22) ....................................................................................... H. deltshevi sp. n.

– Patellar apophysis at ventral margin only with inconspicuous groove (Figs 25-26) ............................................................................ H. gershomi sp. n.

6 Median septum with parallel margins (Figs 19, 31).................................... 7

– Median septum triangular (Figs 23, 27, 35) ............................................... 8

7 Epigyne longer than wide, glandular heads in lateral-distal position at receptacula (Figs 19-20) .......................................................... H. barbarae sp. n.

– Epigyne wider than long, glandular heads in mid-distal position at receptacula (Figs 31-32) ................................................................... H. patellaris

8 Epigyne without grooves, anterior guide pockets covered by receptacula in dorsal view (Figs 35-36)......................................................... H. patellidens

– Epigyne with extended grooves, anterior guide pockets visible in dorsal view (Figs 23, 27) .............................................................................................. 9

9 Epigyne longer than wide, epigynal sutures sigmoid (Fig. 23) ...................... ....................................................................................... H. deltshevi sp. n.

– Epigyne wider than long, epigynal sutures straight (Fig. 27) ...................... ....................................................................................... H. gershomi sp. n.