Smith, F. 1862b. Descriptions of new species of aculeate Hymenoptera, collected at Panama by R. W. Stretch, Esq., with a list of described species, and the various localities where they have previously occurred. Transactions of the Entomological Society of London (3)1:29-44. [1862-04-07]
Date from Wheeler, G. (1912). Ants pp. 29-35.