Camponotus tumidus

Distribution
This taxon was described from Australia.

Nomenclature

 *  tumidus. Camponotus (Myrmogonia) tumidus Crawley, 1922c: 34, fig. 17 (s.w.) AUSTRALIA. Crawley, 1925b: 595 (q.m.). Combination in C. (Myrmophyma): Emery, 1925b: 112; in C. (Thlipsepinotus): Santschi, 1928e: 483.

Queen
Crawley (1925) - Length 12.5 mm.

Dark brown, almost black; scapes dark ferruginous, coxae, trochanters, and femora pale castaneous, apical joints of tarsi ferruginous. Wings long, coloured as in the male. There are a few hairs on head, thorax, and gaster, and the tibial have a few bristles beneath.

Head thick, broader than long, broadest behind the eyes, the sides very feebly convex, the occipital border feebly concave. Eyes flat, behind the middle. Scapes extend one-third of their length beyond the occiput. Clypeus and mandibles as in the worker.

Thorax hardly broader than head, upper surface of scutum flat, scutellum not prominent. Scale thin, the top rounded.

Punctuation on head coarser than in the worker.

Male
Crawley (1925) - Length 8-8.5 mm.

Black; funiculi, articulations of legs, and apical joints of tarsi castaneous yellow, borders of gastric segments testaceous. The basal three or four joints of the funiculus are brownish. Wings yellow-brown, nervures brown.

Pilosity scanty and short; there are a few stiff hairs under the tibial.

Mandibles small, edentate, the inner border incised. Clypeus arched, the anterior border rounded. Antennae long, the scapes extending more than half their length beyond the occipital border. Head slightly broader than long, broadest behind eyes, the sides feebly convex, the occipital border widely concave. Eyes of moderate size, placed behind the middle of sides.

Thorax massive, high and arched. Epinotum broad and convex. Node broad and thin, widely emarginate at top.

Stipites long and narrow, volsellae broad and short. Sagittae as long as stipites.

Head matt, finely reticulate. Thorax more shining, more finely reticulate, gaster similar. There are a few irregular punctures on the scutum in front.

Additional References

 * [[Media:Crawley 1922e.pdf|Crawley, W. C. 1922e. New ants from Australia (concluded from vol. ix. p. 449). Ann. Mag. Nat. Hist. 9(10): 16-36 PDF]]