Ochterus, Latreille, 1802

Polhemus, Dan A. & Polhemus, John T., 2008, A new Indian Ocean species of Ochterus from the island of Mauritius (Hemiptera: Heteroptera: Ochteridae), Acta Entomologica Musei Nationalis Pragae 48 (2), pp. 281-288 : 286

Key to the Indian Ocean species of Ochterus

1. Hemelytra usually with three irregular or semicircular yellowish spots along lateral margin (sometimes overlain with pruinose); Europe, Africa or Asia. ........................ 2

– Hemelytra without yellowish spots along lateral margin, but with irregular pruinose spots (sometimes weakly formed); Seychelles or Mascarene islands. ....................... 3

2. Male paramere shaft essentially cylindrical; upper frons coarsely striate, similar to lower frons; widespread in southern Europe, Africa and Asia. ................................................ ....................................................................................... O. marginatus Latreille, 1804

– Male paramere shaft flattened, lamellate laterally; upper frons finely striate, more so than lower frons; Southern Africa and Madagascar. ..................... O. caffer Stål, 1855

3. Posterior part of endocorium with obvious punctations; Mauritius. ... O. stysi sp. nov.

– Posterior part of endocorium without, or with very weak punctations; Seychelles. ..... .............................................................................. O. seychellensis D. Polhemus, 1992