Cataglyphis Foerster Formica megacola Forster Taxonomy of ant species (Hymenoptera: Formicidae) collected by pitfall traps from Sinai and Delta region, Egypt. Mohamed, S. Zalat, S. Fadl, H. Egyptian Journal of Natural History 2001 3 40 61 3J93 urn:lsid:biosci.ohio-state.edu:osuc_concepts:2505 Insecta Formicidae Cataglyphis CoL Animalia Cataglyphis Förster Hymenoptera 44 Arthropoda genus   Cataglyphis Foerster,1850: Verh. Nat.Ver. Preuss. Rhinl. 7:493. Type-species: Formica megacola Forster, 1850: Verh. Nat. Ver. Preuss. Rhinl.:490.  Distribution: Palaearctic, Ethiopian and Oriental regions.  Key to species 1 - Petiole a truncated node with a flat dorsal surface sloping forward (Fig. 14)............2 - Petiole a rounded node or an upright thick scale..............................................4 2- Body colour uniformaly shining black ....................... C. minimus Collingwood. - Body colour otherwise.......................3 3- Body unicolourous yellow, gaster oval (Fig. 15); antennal scape shorter than head ............................... C. lividus (Andre) - Body bicoloured, head, alitunk, petiole and appendages bright red, gaster dark brown and globular (Fig. 16), antennal scape longer than head.............................. C. ruber (Forel) 4- Petiole an upright scale (Fig. 17), body covered with silvery pubescence, reddish brown, gaster dark brown in colour; third maxillary palp with long curved hairs (Fig. 18) .............................. C. sinaitica Wheeler - Petiole a rounded node (Fig. 19), body not covered with silvery pubscence, black in colour; third maxillary palp without long curved hairs.................... C. niger (Andre)