Pseudomyrma nigriceps, Guérin-Ménéville, 1844

Smith, Frederick, 1855, Descriptions of some species of Brazilian ants belonging to the genera Pseudomyrma, Eciton and Myrmica (with observations on their economy by Mr. H. W. Bates), Transactions of the Entomological Society of London (2) 3, pp. 156-169 : 159

Sp. 7. Pseudomyrma nigriceps .

Worker. - Length lines. Head black: the antennae, mandibles , and the anterior margin of the face, rufo-testaceous ; the thorax, abdomen and legs pale rufo-testaceous : the first node of the abdomen subtriangular, the upper margin being curved, the curve channelled from the base to the apex, the latter emarginate ; the second node globose ; the sides of the abdomen compressed, but not strangulated in the middle.

This species was captured by Mr. Bates, at Santarem, Brazil ; it was found coursing over herbage, and also on sandy banks. In mv own Collection.

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