Ectatomma concinna Smith, 1858a: 103 (q.) BRAZIL (Pará). Neotropic.

Primary type information: Primary type material: holotype queen. Primary type locality: Brazil: Pará, Santarem, “52/96” (H.W. Bates). Primary type depository: BMNH. Primary type specimen: CASENT0900548. Type notes: BMNH accessions register gives: “1852, no. 96, “Purchased of Stevens. Collected by Mr Bates” (Bolton (unpublished notes) 1978).