This is a myrmecophilous genus of Staphylinidae with one species. Macrotrachelos gen. nov., due to its general appearance of having a very long and rectangular head and rhombic pronotum, can be readily distinguished from any other species of the subtribe Clavigerodina with three-segmented antennae.
|Genus and species||Author and Year||Ant Host||Distribution||Notes|
|Macrotrachelos longiceps||Besuchet, Claude & Hlaváč, 2012||Philidris nagasau||Fiji|
Besuchet, Claude & Hlaváč, Peter. (2012). Contribution to the knowledge of Clavigeritae (Coleoptera: Staphylinidae: Pselaphinae) from Fiji and Vanuatu, with the catalogue of Clavigeritae of Oceania (vol 51, pg 517, 2011). Acta Entomologica Musei Nationalis Pragae. 52. 172-172.