Burrower-mayfly
Guides
Anthopotamus verticis
Walker's Tusked Sprawler
Anthopotamus verticis, commonly known as Walker's Tusked Sprawler, is a hacklegilled burrower mayfly in the family Potamanthidae. The species is found in southeastern Canada and parts of the northern and southeastern United States. As a member of the Potamanthidae, it belongs to a family of mayflies characterized by burrowing habits and distinctive gill structures.
Ephemera varia
Yellow Drake
Ephemera varia, commonly known as the Yellow Drake, is a species of burrower mayfly in the family Ephemeridae. It is native to North America, with documented presence in the northeastern United States including Vermont. Like other members of its genus, it is associated with aquatic environments and has a brief adult lifespan. The species is represented by 59 observations on iNaturalist, indicating it is documented but not extensively studied.
Hexagenia bilineata
Emergent Mayfly
Hexagenia bilineata is a burrowing mayfly native to the Upper Mississippi Valley of North America. The aquatic nymphs construct U-shaped burrows in mud and silt, filtering organic detritus for food. Adults emerge synchronously in enormous numbers during summer evenings, creating spectacular swarms that have caused documented traffic hazards and infrastructure damage. The species exhibits mixed voltinism, with some populations completing development in one year while others require two years.
Hexagenia orlando
Florida Hex
Hexagenia orlando is a burrower mayfly in the family Ephemeridae, described by Traver in 1931. The species is endemic to North America, with the common name "Florida Hex" suggesting a primary association with Florida. As a member of the genus Hexagenia, it exhibits the subterranean burrowing habits characteristic of this group during its nymphal stage. Adult mayflies in this genus typically emerge in synchronized swarms.