Identification key to the species of Diastellopalpus recorded from Mozambique

1. Anterior declivity of the pronotum with three depressions, two lateral and one medial; distinct tooth-like tubercle strongly projected laterally to lateral depressions; transverse pronotal carina blunt......................................... 2

- Anterior declivity of the pronotum with only one shallow median depression; without any tooth-like pronotal tubercle; transverse pronotal carina sharp-edged (Central Mozambique: Manica Province: Manica; Sofala Province: Gorongosa National Park) (Fig. 28)...................................................... Diastellopalpus quinquedens Bates, 1888

2. Vertex with a transverse carina in both males and females..................................................... 3

- Vertex with a long coniform horn in males, with four rough transverse tubercles in females (Central Mozambique: Zambézia Province: Mount Mabu) (Fig. 24)........................................ Diastellopalpus neavei d’Orbigny, 1914

3. Pronotum with non-interrupted transverse carina. Anterior declivity without two longitudinal carinae toothed in the middle.. ................................................................................................... 4

- Pronotum with distinct transverse carina toothed in the middle (Fig. 7). Anterior declivity with two longitudinal carinae toothed in the middle. Mozambique (Central Mozambique: Sofala Province: Gorongosa National Park) (Fig. 26).................................................................................. Diastellopalpus orbignyi Péringuey, 1904

4. Pronotal surface matt, smooth and finely punctate in the anterior half (Fig. 5). Parameres with abrupt and strong lateral protrusions in dorsal view (Fig. 13) (Central Mozambique: Sofala Province: Beira and Dondo; Zambézia Province: Mount Mabu) (Fig. 4)............................ Diastellopalpus scholtzi Daniel, Strümpher, Josso & Davis, new species

- Prontal surface shiny, rugose and heavily punctate in the anterior half (Fig. 6). Parameres simple, without abrupt and strong lateral protrusions in dorsal view (Fig. 14) (north-western Mozambique: Niassa Province, Lugenda River)............................................................................. Diastellopalpus infernalis van Lansberge, 1887