Archispirostreptus

Mwabvu, Tarombera, Hamer, Michelle, Slotow, Rob & Barraclough, David, 2010, A revision of the taxonomy and distribution of Archispirostreptus Silvestri 1895 (Diplopoda, Spirostreptida, Spirostreptidae), and description of a new spirostreptid genus with three new species, Zootaxa 2567, pp. 1-49 : 31

Key to the species of Archispirostreptus , based on male gonopods

1. Apical metaplical process darker proximally than distally; apical metaplical process convex laterally, not finger-like ..................................................................................................................................................................................... 2

- Apical metaplical process not darker proximally than distally; apical metaplical process not convex laterally, finger- like................................................................................................................................................................................. 3

2. Lateral and medial edges of apical metaplical processes convex proximally ( Fig. 5a ); apical metaplical processes not deflected or overlapping medially .......................................................................................................................... gigas

- Lateral and medial edges of apical metaplical processes not convex proximally; apical metaplical processes deflected and overlapping medially ( Fig. 3a, 3b ) ............................................................................................ divergens

3. Apical metaplical processes deflected laterally ( Figs 7a, 7b ) ......................................................................... phillipsii

- Apical metaplical processes not deflected laterally......................................................................................................4

4. Lateral edges of apical metaplical process concave, with an angular projection ( Figs 9a, 9b ) ......................... syriacus

- Lateral edges of apical metaplical process not concave, without an angular projection .............................................. 5

5. Distal half of apical metaplical process acute, not rounded apically ( Figs 10a, 10b ) ................................. tumuliporus

- Distal half of apical metaplical process not acute, rounded apically............................................................................6

6. Distal half of lateral metaplical process deflected towards apical metaplical process ( Figs 8a, 8b ) .................. smithii

- Distal half of lateral metaplical process not deflected towards apical metaplical process ........................................... 7

7. Apex of sternum apex flat; metaplica narrow at level of paracoxite apex ( Fig. 6a ) .......................................... lugubris

- Apex of sternum not flat; metaplica not narrow at level of paracoxite apex................................................................8

8. Distal part of lateral metaplical process gently slanting towards paracoxite; proximal lateral metaplical process and proximal apical metaplical process at obtuse angle ( Fig. 4a ) ............................................................................ dodsoni

- Distal part of lateral metaplical process not slanting towards paracoxite; proximal lateral metaplical process and proximal apical metaplical process at right angle......................................................................................................... 9

9. Apex of proplica and apical metaplical process not thumb-like; lateral metaplical process wider and horizontal prox- imally, abruptly tapering distally ( Fig. 1 ) ......................................................................................................... beccarii

- Apex of proplica and apical metaplical process thumb-like; lateral metaplical process not horizontal proximally or abruptly tapering distally ( Fig. 2a )....................................................................................................................... bottegi

Figures

FIGURE 5 a, b. Archispirostreptus gigas (MRAC 20764). a, oral view of gonopods; b, aboral view of gonopods.

FIGURE 3 a, b. Archispirostreptus divergens (ZMH A 89 / 78). a, oral view of gonopods; b, aboral view of gonopods.

FIGURE 7 a, b. Archispirostreptus phillipsii (BMNH 1895.6.1). a, oral view of gonopods; b, aboral view of gonopods.

FIGURE 9 a, b. Archispirostreptus syriacus (ZMH 19, 1932). a, oral view of gonopods; b, aboral view of gonopods.

FIGURE 10 a, b. Archispirostreptus tumuliporus (ZMB 645). a, oral view of gonopods; b, aboral view of gonopods.

FIGURE 8 a, b. Archispirostreptus smithii (BMNH 1897.11.10.89). a, oral view of gonopods; b, aboral view of gonopods.

FIGURE 6 a, b. Archispirostreptus lugubris (MNHN, 1 B 106). a, oral view of gonopods; b, aboral view of gonopods.

FIGURE 4 a, b. Archispirostreptus dodsoni (BMNH 1897.11.10.87). a, oral view of gonopods; b, aboral view of gonopods.

FIGURE 1 a, b. Archispirostreptus beccarii (MSNG uncatalogued). a, oral view of gonopods; b, aboral view of gonopods.

FIGURE 2 a, b. Archispirostreptus bottegi (MSNG uncatalogued). a, oral view of gonopods; b, aboral view of gonopods.