Belongs within: Euplectini.
Bibloplectus is a genus of pselaphine beetles in which the pronotum has the median antebasal fovea bisected by a longitudinal carina (Newton et al. 2001).
Characters (Newton et al. 2001): Head with antennal insertions widely separated, frontal rostrum broad and low, head lacking sulci above and below eyes; pronotum with median antebasal fovea bisected by thin longitudinal carina; elytra with subhumeral foveae; lateral prosternal foveae present, densely setose; lateral metasternal foveae present; fourth visible tergite not longer than third; aedeagus not constricted near middle.
<==Bibloplectus Reitter 1881 [incl. Bibloplectodes Jeannel 1949]NT01
|--B. aculeatus Guilleb. 1888R03
|--B. affinis Guilleb. 1888R03
|--B. ambiguus Reichenb. 1816 [incl. B. pusillus Denny 1825, B. ruficornis]R03
|--B. angustulus Raffray 1901R03
|--B. biformis Reitter 1882R03
|--B. delhermi Guilleb. 1888R03
|--B. integer [=Euplectus integer]R03
|--B. leviceps (Casey 1884) [=Euplectus leviceps]R03
|--B. minutissimus (Aubé 1833) [=Euplectus minutissimus; incl. B. garneysi]R03
|--B. obtusus Guilleb. 1888R03
|--B. parviceps Raffray 1903R03
|--B. puberulus Raffray 1894R03
|--B. pumilio Reitter 1882R03
|--B. reitteri Guilleb. 1888R03
|--B. ruficeps (Leconte 1863) [=Euplectus ruficeps]R03
|--B. sobrinus Casey 1897R03
|--B. solskyi (Schaufuss 1877) [=Euplectus solskyi]R03
|--B. tenebrosus Reitter 1880R03
|--B. unicolor Raffray 1898R03
`--B. variabilis Raffray 1898R03
*Type species of generic name indicated
References
[NT01] Newton, A. F., M. K. Thayer, J. S. Ashe & D. S. Chandler. 2001. Staphylinidae Latreille, 1802. In: Arnett, R. H., Jr & M. C. Thomas (eds) American Beetles vol. 1. Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia pp. 272–418. CRC Press: Boca Raton.
[R03] Raffray, A. 1903. Genera et catalogue des psélaphides. Annales de la Société Entomologique de France 72: 484–604.