Vernal
Guides
Helopicus subvarians
vernal springfly
Helopicus subvarians is a species of springfly in the family Perlodidae, described by Banks in 1920. It is commonly known as the vernal springfly. Records indicate occurrence in the eastern United States. Like other Plecoptera, it is associated with aquatic habitats during immature stages.
Perlinella ephyre
Vernal Stone
Perlinella ephyre, commonly known as the vernal stone, is a species of common stonefly in the family Perlidae. It is found in North America, with records from the northeastern United States and several southeastern states including Alabama, Arkansas, Florida, and Georgia. As a member of Perlidae, it is likely a predatory stonefly, though specific ecological details remain poorly documented.