Cataulacus egenus Santschi ^HNS

Medje, [[worker]], [[queen]] (Lang and Chapin). Numerous specimens. The hitherto undescribed female measures 4 to 4.5 mm., and is veiy similar to the worker except in the structure of the thorax. The mesonotum and sides of the pronotum are longitudinally rugulose. The wings are whitish hyaline, with the anterior border suffused with yellow, the veins pale yellow, the pterostigma clark brown.