Geiserocerus flavifrons gen. nov. et sp. nov., paratype: A. Abdomen, dorsal; B. Abdomen, ventral; C. Abdominal sternites VII–IX, dorsal; D. Abdominal sternites VII–IX, ventral; E. Abdominal tergites IX and X, dorsal; F. Abdominal sternite IX, ventral; G. Aedeagus, dorsal; H. Aedeagus, ventral; I. Aedeagus, lateral.

 
 
  Part of: Silva Roza A (2025) A new genus and a new species of railroad-worm beetles from Bolivia (Coleoptera, Phengodidae, Mastinocerinae). Contributions to Entomology 75(1): 203-212. https://doi.org/10.3897/contrib.entomol.75.e143153