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Habitat
Adults: terrestrial
Immatures: aquatic
Feeding Habits
Adults: non-feeding
Immatures: phytophagous
Size: 2 to 12 mm
Flight : strong flier
North American Species: 7 in Canada
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Ephemeroptera Baetidae
Small mayflies
Front Wings: membranous
Hind Wings: membranous
Mouthparts:
Antenna Length: shorter than body
Antenna Shape: straight
Front Legs: unmodified
Hind Legs: unmodified
Special Characteristics:
Baetidae are small, usually less than 12 mm (excluding the tails). The females are usually brown while the males are pale and sometimes have abdominal segments 2 to 6 transparent. The front legs of the male are longer than the others. In both sexes, the front wings are elongated and oval, and the hind wings are very small or lacking. They have only two caudal filaments, ulike many other mayflies, which have three.
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