Explanation of Names
Crematogaster Lund, 1831
Misspelling of Greek kremastos 'hanging', 'suspended' + gaster 'stomach' (refers to the dorsal attachment of postpetiole to gaster)
Size
workers and males 2.5-3.5mm, queens about twice as long.
Identification
The unusual heart-shaped gaster (as viewed from above) and dorsal articulation of the postpetiole to the gaster are distinguishing features of this genus.
Habitat
Northern and desert species soil-inhabiting, most species of the warm, humid Southeast arboreal or semi-arboreal.
Food
Honeydew, extrafloral nectar, scavenged protein from bird and other droppings, carrion.
Print References
Longino, J.T. 2003. The Crematogaster (Hymenoptera, Formicidae, Myrmicinae) of Costa Rica. Zootaxa 151: 1-150.
Review of North American species by Buren 1968
(1)Internet References
live adult images of eleven Nearctic species plus several species from elsewhere (Alex Wild, mymecos.net)
key to species of
Crematogaster found in Mississippi and Alabama (Mississippi State U.)