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Key to Afrotropical Tetramorium dumezi species group
This worker key is based on Bolton (1980)[1]
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- Tetramorium
- Afrotropical Tetramorium species groups
- Key to Afrotropical Tetramorium species groups
- Group diagnosis
1
- Clypeus entire . . . . . 2
- Clypeus medially impressed . . . . . 3 (jauresi complex)
2
return to couplet #1
- Abundant long soft curved acute hairs forming a dense pelt all over the body and on the legs . . . . . 5 (meressei complex)
- Pilosity sparse and usually short and fine. . . . . 6 (dumezi complex)
3
return to couplet #1
- With the mesosoma in profile, dorsum without standing hairs of any description . . . . . 4
- With the mesosoma in profile, dorsum with standing hairs that are longer than broad ..... Tetramorium nodiferum
4
return to couplet #3
- First gastral tergite reticulate-punctate or shagreened at least in its basal half. Dorsal mesosoma feebly reticulate-punctate. Mandibles generally retaining delicate longitudinal striation ..... Tetramorium jauresi
- First gastral tergite completely smooth. Dorsal mesosoma smooth with patchy vestiges of sculpture. Mandibles smooth with scattered small pits ..... Tetramorium qualarum
5
return to couplet #2
- Propodeum with a pair of teeth. Colour clear pale yellow. Petiole node in profile more or less evenly convex, without differentiated anterior or posterior dorsal angles ..... Tetramorium meressei
- Propodeum merely angulate or with a pair of minute tubercles. Colour brown. Petiole node in profile not evenly convex, with differentiated angles ..... Tetramorium psymanum
6
return to couplet #2
- Dorsal (outer) surface of hind tibiae with projecting erect to subdecumbent strong hairs . . . . . 7
- Dorsal (outer) surface of hind tibiae without projecting hairs . . . . . 8
7
return to couplet #6
- First gastral tergite finely and densely punctulate ..... Tetramorium isipingense
- First gastral tergite unsculptured, smooth and highly polished ..... Tetramorium candidum
8
return to couplet #6
- Leading edges of scapes with erect short hairs or long strong subdecumbent hairs. First gastral tergite covered from base to apex by a strong dense consistently coarse reticulate-puncturation ..... Tetramorium elidisum
- Leading edges of scapes only with fine short pubescence, which is usually decumbent or appressed. First gastral tergite unsculptured or with a basal band of punctulation or shagreening . . . . . 9
9
return to couplet #8
- Pronotal dorsum with a coarse straight longitudinal costa medially which dominates the remaining rugulose sculpture. Colour brownish yellow ..... Tetramorium pialtum
- Pronotal dorsum without a coarse median costa, the surface weakly longitudinally rugulose. Colour pale yellow ..... Tetramorium dumezi
