Mcdunnough-1924
Guides
Anafroptilum bifurcatum
Anafroptilum bifurcatum is a species of small mayfly in the family Baetidae, first described by McDunnough in 1924. The genus Anafroptilum was established to accommodate certain Baetidae species previously placed in other genera, distinguished by specific morphological features of the genitalia and wing venation. As a member of the Baetidae, it belongs to a diverse family of small, agile mayflies commonly known as blue-winged olives or small minnow mayflies.
Ephemerella tibialis
Little Western Dark Hendrickson
Ephemerella tibialis is a species of spiny crawler mayfly described by McDunnough in 1924. It belongs to the family Ephemerellidae, a group known for their distinctive spiny or tuberculate body ornamentation. The species is found in North America and is recognized among anglers by the common name Little Western Dark Hendrickson, indicating its importance as a model organism for fly-fishing.
Leucrocuta juno
Leucrocuta juno is a species of flatheaded mayfly in the family Heptageniidae, described by McDunnough in 1924. It belongs to the order Ephemeroptera, a group of aquatic insects known for their brief adult lifespan. The species is native to North America and is part of a genus characterized by distinctive morphological features typical of heptageniid mayflies.
Leucrocuta minerva
Leucrocuta minerva is a species of mayfly in the family Heptageniidae, described by McDunnough in 1924. It belongs to a genus of small to medium-sized flat-headed mayflies commonly known as "little yellow quills" or similar vernacular names. Species in this genus are typically associated with running water habitats. The specific epithet "minerva" refers to the Roman goddess of wisdom, though the etymological reasoning behind this choice is not documented in available sources.
Tortopsis primus
Manitoba white burrowing mayfly
Tortopsis primus is a species of burrowing mayfly in the family Polymitarcyidae, described by McDunnough in 1924. It is commonly known as the Manitoba white burrowing mayfly. The species belongs to the order Ephemeroptera, an ancient group of aquatic insects with aquatic immature stages and short-lived winged adults. As a member of Polymitarcyidae, it exhibits the family characteristic of burrowing habits in its nymphal stage.