Ants from Mesopotamia and north-west Persia (concluded) Author Crawley, W. C. text Entomologists Record and Journal of Variation 1920 32 177 179 journal article 10.5281/zenodo.15001 L. emarginatus , Ol., var . nigro-emarginatus, For. ♂ ♀ ☿. N.W. Persia, 1919 (Buxton). Attending Aphis buxtoni , Theo ., on Umbelliferae. These examples of this intermediate variety come nearer to emarginatus than to niger .