Key to species of Fuchibotulus (modified from Haddad & Lyle 2008)

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

– Females ...................................................................................................................3

2 Embolus tip at ⅔ of cymbium width; retrolateral tibial apophysis distinctly bifid (Haddad & Lyle 2008: fig. 62) .................................................................... bicornis

– Embolus tip at retrolateral margin of cymbium; distal retrolateral tibial apophysis triangular (Haddad & Lyle 2008: fig. 68)...................................................... kigelia

3 ST II elongate, extending posteriorly beyond anterior margin of copulatory openings (Haddad & Lyle 2008: fig. 69) ...................................................................... kigelia

– ST II oval-elongate, not extending to anterior margin of copulatory openings ......4

4 ST II teardrop-shaped; copulatory openings situated medially in short, slightly curved slanted ridges, nearly twice as broad as long (Haddad & Lyle 2008: fig. 65)........... ..................................................................................................................... bicornis

– ST II only slightly narrower anteriorly; copulatory openings situated medially in short, very strongly curved U-shaped ridges, nearly as long as broad (Fig. 4)......... ........................................................................................................... haddadi sp. n.