Acidocerus aphodioides is a species of water scavenger beetle in the family Hydrophilidae.

A diagnosis was presented by Girón and Short:[4] Small beetles, body length nearly 2.8 mm.

Elytra without sutural striae, narrowly explanate laterally, serial punctures strongly marked, arranged in rows.

Prosternum flat, rather sharply carinate medially, with angulate anteromedian projection.

Fifth abdominal ventrite apically emarginate, with stout setae.–Some of these diagnostic features were offered by d'Orchymont in a key.