Riverine-insects
Guides
Ametropus
sand minnows
Ametropus is a genus of mayflies (Ephemeroptera) commonly known as sand minnows, belonging to the family Ametropodidae. The genus contains at least three described species: A. ammophilus, A. fragilis, and A. neavei. Species in this genus are adapted to large river systems and exhibit specialized ecological traits including deep-water nymphal habitats and detritivorous feeding habits.
Anthopotamus
hacklegilled burrower mayflies
Anthopotamus is a genus of hacklegilled burrower mayflies in the family Potamanthidae, established by McCafferty & Bae in 1990. The genus contains at least four described species distributed in North America. Larvae are specialized burrowers in riverine substrates, notable for their fossorial lifestyle in the hyporheic zone using tusk-like structures for excavation. Adults are short-lived and primarily reproductive.