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Dorylus kohli WasmannHNS 1904

Dorylus (Anomma) kohli WasmannHNS 1904: 669. Six syntype workers, DR Congo: St. Gabriel (near Kisangani), collected by P. Kohl, NHME (examined).

Dorylus gerstaeckeri st. quadratus SantschiHNS 1914: 430. Holotype worker, Tanzania: Manow, collected by M. Viehmeyer, NHMB (examined), new synonomy.

Dorylus gerstaeckeri st. quadratusHNS; Wheeler 1922: 736, Bolton 1995: 180.

Since the diagnostic features of large D. gribodoiHNS workers are constant in all examined samples (from eastern Guinea to eastern Nigeria) and the Dorylus gerstaeckeri st. quadratusHNS worker from Tanzania (more than 3000 km outside the recorded range of D. gribodoiHNS) lacks these features, we exclude this form from D. gribodoiHNS and place it under D. kohli WasmannHNS.

FIGURE 13. Dorsal view of the hypopygium of the D. gribodoiHNS queen (HAD 2.53 mm).

FIGURE 14. Dorsal view of D. gribodoiHNS queen mesosoma (PeW 4.54 mm).

The matching of males and workers by analysis of gene sequences of specimens from the same population is a promising approach for clarifying the taxonomy of army ants and other groups of ants in which these forms are rarely collected together. The discovery of more male-worker associations is essential not only for sorting out the taxonomic confusion in DorylusHNS, but also for determining the diagnostic features of the subgenera.