Aedeagus of Quadriops spp.: Q. depressus: A holotype B ‘politus’ holotype C ‘amazonensis’ holotype D VENEZUELA: Amazonas: Cerro de la Neblina; Q. reticulatus: E holotype F PANAMA: Chiriquí G COSTA RICA: Puntarenas [CR1ABF00 059] H COSTA RICA, Heredia [CR-11TN/16/016]; Q. clusia I BRAZIL: Manaus J GUYANA, Upper Potaro [GY14-0312-04A] K GUYANA, Ayanganna Airstrip [GY14-0317-01B]. Scale bar 0.1 mm.
Part of: Girón JC, Short AEZ (2017) Revision of the Neotropical water scavenger beetle genus Quadriops Hansen, 1999 (Coleoptera, Hydrophilidae, Acidocerinae). ZooKeys 705: 115-141. https://doi.org/10.3897/zookeys.705.19815