7,. Eciton pilosa. B.M. Worker. Length 2 3/4 lines.-Brown-black, smooth and shining: the antennas, mandibles, face anteriorly, and the legs, rufo-testaceous; the insect thinly covered with long griseous pubescence. Head ovate; the eyes very minute, and glassy bright. Thorax shining and smooth, anteriorly roughened, and opake behind, deeply strangulated a little behind the middle; the metathorax not grooved above, rounded behind. Abdomen ovate -, the first node of the peduncle elongate-ovate, the second globose. Worker minor. Length 1 1/2 line.-There is no difference between this and the large worker, except in its being smaller. Hab. Brazil (Villa Nova).

Published as part of Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London :British Museum on pages 151-152