Genus Tetramorium HNS Mayr, 1855

Tetramorium HNS Mayr, 1855: Verh. Zool. Bot. Ges. Wien.5: 423.

Type-species: Formica caespitum L. HNS,1758: Syst. Nat., ed.10: 581.

Distribution: Palaearctic, Ethiopian, Oriental, Australian, Polynesian, Nearctic & Neotropical regions.

Key to species

1 Body length 2.5 mm, propodeal spines relatively longer (Fig.42) ....................... ........................... T. brevicorne Brondroit HNS

- Body length 3.5 mm, propodeal spines short .......................................................2

2- Dorsum of head with a distinct median depression, propodeal spines short and acute (Fig.43)............ T. depressicepes Menozzi HNS

- Dorsum of head without a median depression, propodeal armature tuberculate and blunt (Fig.44)............... T. salwae HNS n.sp.