| 1 | Integument densely and strongly micro-alveolate; metatibia long and narrow, > 3× longer than wide; scape and flagellomeres I–III longer than wide, somewhat compressed | Trigonisca (Dolichotrigona) Moure |
| – | Integument more faintly microveolate, ranging from slightly matte to faintly glossy; metatibia shorter and wider, < 3× longer than wide; scape and flagellomeres I–III shorter and less compressed | Trigonisca (Trigonisca) Moure, s.strictiss. |
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