Otraleus and Capuyanus, Kirby, 1904

Bresseel, Joachim & Constant, Jérôme, 2017, Philippine mossy forest stick insects: first record of the genus Otraleus Günther, 1935 in the country, with four new species, and the new genus Capuyanus gen. nov. (Phasmida, Diapheromeridae, Necrosciinae), European Journal of Taxonomy 265 (265), pp. 1-31 : 3-5

Key to the Philippine species of Otraleus and Capuyanus gen. nov.

1. Abdominal terga without postero-lateral lobes; females with subgenital plate strongly tapered, projecting over apex of tergum X; males with swollen and conical thornpads on anal segment (genus Capuyanus ) ............................................................................. Capuyanus magwilangi sp. nov.

– Abdominal terga with postero-lateral lobes; females with subgenital plate not strongly tapered, not projecting over apex of tergum X; males without swollen and conical thornpads on lower posterior margin of anal segment (genus Otraleus )....................2

2. Elytra and alae present ...................................................................... Otraleus christianae sp. nov.

– Elytra and alae absent...........................................................................................................3

3. Abdominal terga armed with spines or tubercles posteromedially..................................4

– Abdominal terga smooth ......................................................................... Otraleus applai sp. nov.

4. Vertex elongated and slightly conical; meso- and metanotum with a definite, vertical, elongated blunt spine posteromedially ............................................ Otraleus bellemansae sp. nov.

– Vertex not conical; meso- and metanotum at best with a short conical spine posteromedially ... ...................................................................................................... Otraleus elizabethae sp. nov.

Distribution

Currently known from Sulawesi ( Indonesia), Borneo ( Malaysia: Sabah) and Luzon Island ( Philippines).