Spirobolus acutus ( Humbert & Saussure, 1870 )

John Hollier, Edmund Schiller & Nesrine Akkari, 2017, An annotated list of the Diplopoda described by Aloïs Humbert alone and with Henri de Saussure, and the Diplopoda from Saussure’s Mexico expedition, Revue suisse de Zoologie 124 (2), pp. 203-224 : 204

acutus Humbert & Saussure, 1870: 176 [ Spirostreptus ].

Brasilia. Unspecified series.

Saussure & Humbert (1872) gave a more detailed redescription of the ♂ only, and the type locality as “Nouvelle-Grenade”. No specimens found in the MHNG. The NHMW contains a ♂ type specimen broken into three parts with the locality “New Grenada”, donated by E. Friedrichsthal (Inventory number 2165, Acquisition number 1866.I.51). The Acquisition Register shows that this specimen was part of a lot of two individuals that were described as two species by Humbert & Saussure, and it is therefore the holotype. The “New Grenada” on the data label probably refers to San Juan de Nicaragua, where Friedrichsthal disembarked in 1839 (Fischer- Westhauser, 2007; Stagl, 2003). Hoffman (1999: 36) suggested that the original placement of this species in the genus Spirostreptus was a lapsus calami and that it was considered by the authors to belong to the genus Spirobolus . This generic placement was formalised by Bollman (1893: 60).

Spirobolus acutus ( Humbert & Saussure, 1870)