Baetidae is a family of mayflies with about 900 described species distributed worldwide. These are among the smallest of mayflies, adults rarely exceeding 10 mm in length excluding the two long slender tails and sometimes much smaller, and members of the family are often referred to as small mayflies or small minnow mayflies. Most species have long oval forewings with very few cross veins (see Comstock-Needham system) but the hindwings are usually very small or even absent. The males often have very large eyes, shaped like turrets above the head (this is known as "turbinate condition").
Baetids breed in a wide range of waters from lakes and streams to ditches and even water butts. The nymphs are strong swimmers and feed mainly on algae.
The Family Baetidae is a member of the Superfamily Baetoidea. Here is the complete "parentage" of Baetidae:
- Domain: Eukaryota
Whittaker & Margulis,1978 - eukaryotes
- Kingdom: Animalia
C. Linnaeus, 1758 - animals
- Subkingdom: Bilateria
(Hatschek, 1888) Cavalier-Smith, 1983 - bilaterians
- Branch: Protostomia
Grobben, 1908 - protostomes
- Infrakingdom: Ecdysozoa
A.M.A. Aguinaldo et al., 1997 ex T. Cavalier-Smith, 1998 - ecdysozoans
- Superphylum: Panarthropoda
- Phylum: Arthropoda
Latreille, 1829 - Arthropods
- Subphylum: Mandibulata
- Infraphylum: Atelocerata Heymons, 1901
- Subphylum: Mandibulata Snodgrass, 1938
- Phylum: Arthropoda Latreille, 1829 - Arthropods
- Superphylum: Panarthropoda Cuvier
- Infrakingdom: Ecdysozoa A.M.A. Aguinaldo et al., 1997 ex T. Cavalier-Smith, 1998 - ecdysozoans
- Branch: Protostomia Grobben, 1908 - protostomes
- Subkingdom: Bilateria (Hatschek, 1888) Cavalier-Smith, 1983 - bilaterians
- Kingdom: Animalia C. Linnaeus, 1758 - animals
The Family Baetidae is further organized into finer groupings including:
- Subfamily (1): Baetinae
- Genus (34): Acentrella · Acerpenna · Alainites · Americabaetis · Apobaetis · Baetiella · Baetis · Baetodes · Baetopus · Barbaetis · Callibaetis · Camelobaetidius · Centroptilum · Cloeodes · Cloeon · Diphetor · Fallceon · Gratia · Guajirolus · Heterocloeon · Iswaeon · Labiobaetis · Lugoiops · Mayobaetis · Moribaetis · Nigrobaetis · Paracloeodes · Plauditus · Procloeon · Pseudocentroptiloides · Pseudocloeon · Raptobaetopus · Tanzaniella · Varipes
- Species: ZipcodeZoo has pages for 446 species and subspecies in the Family Baetidae.
Acentrella is a genus of mayflies in the family Baetidae. It contains at least eight species. [more]
Acerpenna is a genus of mayflies in the family Baetidae. It has at least three species. [more]
Apobaetis is a genus of mayflies in the family Baetidae. It contains at least six species. [more]
Baetis is a genus of mayflies of the family Baetidae. It contains at least twelve species. [more]
Baetodes is a genus of mayflies in the family Baetidae. The genus contains more than 40 species. [more]
Baetopus is a genus of mayflies in the family Baetidae. [more]
More info about the Genus Varipes may be found here.
- Chinery, Michael Collins Guide to the Insects of Britain and Western Europe 1986 (Reprinted 1991)
- McGavin, George C. Insects and Spiders 2004
- Fauna Europaea
- Nomina Insecta Nearctica
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