Cryptocerus pusillus Klug, 1824: 202 (w.) BRAZIL (Pará, Rio de Janeiro), GUYANA. Neotropic.

Primary type information: Primary type material: syntype workers (number not stated). Primary type localities: “America meridionali” (ex Museo Regio Havniensi), Brazil: Pará (ex Museo de Hoffmannsegg), Brazil: Rio de Janeiro (sent by Dr de Olfers), Guyana: Demerara (from Hemmerich). Primary type depository: MNHU (perhaps also MRSN).