Presbistus Kirby, 1896

Bresseel, Joachim & Constant, Jerome, 2022, Extension of the phasmid genus Presbistus to Cambodia with a new species and notes on genitalia and captive breeding (Phasmida, Aschiphasmatidae, Aschiphasmatinae), Journal of Orthoptera Research 31 (2), pp. 105-117 : 105

Genus Presbistus Kirby, 1896

Presbistus Kirby, 1896: 475. - Kirby 1904: 475 [in Aschiphasminae ]. - Redtenbacher 1906: 78 [redescribed]. - Ragge 1955: 377 [wing venation]. - Bradley and Galil 1977: 200 [in Aschiphasmatinae ]. - Brock 1999: 147, 154, 184 [species from Peninsular Malaysia]. - Bragg 2001: 323, 642 [species from Borneo]. - Zompro, 2004: 318 [in superfamily Aschiphasmatoidea]. - Otte and Brock 2005: 280 [Catalogued]. - Seow-Choen 2016: 359 [species recorded and figured from Borneo]. - Seow-Choen 2017: 128 [species recorded and figured from Singapore]. - Seow-Choen 2018: 577 [species recorded and figured from Sumatra].

Type species. -

Perlamorpha peleus Gray, 1835 by original designation.

The genus Presbistus can be distinguished from other members of the Aschiphasmatinae by the combination of the following set of characters (adapted from Bragg 2001):

Body and legs brown with some black markings.

Mesonotum unarmed.

Profemora incurving at base; all femora with distinct medioventral carina, armed with at least a few minute spines.

Tegmina triangular and spine-like; anal region of hind wing translucent brown.

Apex of male abdomen distinctly swollen.

Apex of female abdomen almost arrowhead shaped in dorsal view. Subgenital plate with anterior portion globose, posterior half medially keeled and tapering.

Cerci cylindrical.

Eggs longer than high, lacking setae.