Crematogaster Montezumia

Smith, F., 1858, Catalogue of the hymenopterous insects in the collection of the British Museum. Part VI. Formicidae., London: British Museum : 139-140

14. Crematogaster Montezumia . Pl. I. fig. 1. Nest. B.M.

Worker. Length 1 1/3 line.-Obscure brown-black, opake; the abdomen shining black. Head, seen above, rotundate, eyes rather prominent. Thorax deeply strangulated between the meso- and metathorax, the latter widely and deeply excavated, with a short acute spine on each side. The first node of the peduncle, viewed in front, is oblong; the second subglobose, with a deeply impressed line above: the insect is thinly sprinkled with long glittering white hairs.

Female. Length 1 2/3 line.-Usually of a darker colour than the worker, nearly black: the wings slightly fuscous and subopake, the nervures pale testaceous; the metathorax armed with sharp spines; the basal node of the petiole oblong, with the angles prominent, the second node transverse and deeply notched in the middle: sprinkled with white hairs like the worker.

Male. Length 1 1/4 line.-Of the same colour as the worker: the head transverse; the eyes prominent, as well as the ocelli, which are placed wide apart on the vertex, the anterior one larger than the posterior pair. Thorax ovate, not spined. Abdomen closely resembling that of the worker.

Hab. Mexico.