Sharaf, M. R.; Mohamed, A. A.; Boudinot, B. E.; Wetterer, J. K.; Hita Garcia, F.; Al Dhafer, H. M.; Aldawood, A. S. 2021. Monomorium (Hymenoptera: Formicidae) of the Arabian Peninsula with description of two new species, M. heggyi sp. n. and M. khalidi sp. n. PeerJ 9:60 pp. e10726.
http://antcat.org/documents/8076/peerj-10726.pdf
or
https://peerj.com/articles/10726/ and https://peerj.com/articles/10726.pdf or https://peerj.com/articles/10726.pdf?res=high
