Ischnura is a genus of damselflies known as forktails in the family Coenagrionidae. Forktails are distributed worldwide, including various oceanic islands. The males have a forked projection at the tip of the abdomen which gives the group their common name.
Platycnemis is a genus of damselfly in the family Platycnemididae.
The Nemouridae are a family of stoneflies containing more than 700 described species, occurring primarily in the Holarctic region. Members of this family are commonly known as spring stoneflies or brown stoneflies. Fly fishermen often refer to these insects as tiny winter blacks.
The Capniidae, the small winter stoneflies, are a family of insects in the stonefly order (Plecoptera). It constitutes one of the largest stonefly families, containing some 300 species distributed throughout the holarctic. Their closest relatives are the rolled-winged stoneflies (Leuctridae).
Isoperla is a genus of Palaearctic and Nearctic stoneflies in the subfamily Isoperlinae and the family Perlodidae.
Cliona is a genus of demosponges in the family Clionaidae. It contains about eighty described species.
Macrothemis is a genus of dragonfly in the family Libellulidae, also known as Sylphs. It contains the following species:
The Leuctridae are a family of stoneflies. They are known commonly as rolled-winged stoneflies and needleflies. This family contains at least 390 species.
Brachyptera is a genus of taeniopterygid stoneflies of mostly Western Palearctic distribution.
Agnetina is a genus of common stoneflies in the family Perlidae. There are at least 30 described species in Agnetina.
Acroneuria is a genus of common stoneflies in the family Perlidae. There are more than 30 described species in Acroneuria.
Haploperla is a genus of green stoneflies in the family Chloroperlidae. There are about 17 described species in Haploperla.
Claassenia is a genus of common stoneflies in the family Perlidae. There are about 12 described species in Claassenia.
Diplectrona is a genus of netspinning caddisflies in the family Hydropsychidae. There are a large number of species within Diplectrona. Catalogue of Life and Integrated Taxonomic Information System accept 87 species, while others, including Global Biodiversity Information Facility, accept more than 100 described species.
Perla is a genus of common stoneflies in the family Perlidae. There are at least 30 described species in Perla.
Rhabdiopteryx is a genus of winter stoneflies in the family Taeniopterygidae. There are about 11 described species in Rhabdiopteryx.
Perlodes is a genus of insects belonging to the family Perlodidae.
