Cataulacus pygmaeus difficilis Santschi, 1916 an obsolete combination of Cataulacus difficilis Santschi, 1916
Primary type information: Primary type material: holotype worker. Primary type locality: Benin (“Dahomey”): (no further data) (Desanti). Primary type depository: NHMB. Primary type specimen: CASENT0912546.
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