Genus Cardiocladius Kieffer, 1912

A genus of 20 named species that occur in all zoogeographical regions except Antarctica and Oceania.The Neotropical species were reviewed by Andersen et al. (2016). The larvae live in fast-flowing waters and are often associated with the immature stages of blackflies ( Simuliidae), on which they are reported to be predaceous (Andersen et al. 2013).