Taxonomy of ant species (Hymenoptera: Formicidae) collected by pitfall traps from Sinai and Delta region, Egypt. Author Mohamed, S. Author Zalat, S. Author Fadl, H. text Egyptian Journal of Natural History 2001 3 40 61 journal article 21622 10.4314/ejnh.v3i1.30001 Genus Monomorium Mayr, 1855 Monomorium Mayr,1855: Verh. zool. Bot. Ges. Wien.5:452. Type-species: Monomorium minutum Mayr , 1855: Verh. Zool. Bot. Ges. Wien.5: 453. Distribution: Palaearctic, Ethiopian, Oriental, Australian, Polynesian, Nearctic & Neotropical regions. Key to species 1- Antennae with terminal funiculus segment longer than the two preceeding segments together (Fig.36), unicolourous, body entirely dark black, dorsum of alitrunk without projecting hairs (Fig.37) ........................ ........................ M. carbonarium (Smith) - Antennae with terminal funiculus segment shorter than the two preceeding segments together (Fig. 38); bicolourous, head, alitrunk, nodes and appendages red, gaster black; dorsum of alitrunk with projecting hairs (Fig. 39)......... M. niloticum Emery