Representatives of Mayfly Families (Ephemeroptera)
| Family | Image | Details |
|---|---|---|
| Baetidae | ![]() |
Antennae usually two to three times width of head |
| Baetidae | ![]() |
|
| Baetiscidae | ![]() |
|
| Ameletidae | ![]() |
|
| Caenidae | ![]() |
|
| Isonychiidae | ![]() |
Forelegs with dense row of hairs |
| Isonychiidae | ![]() |
|
| Siphlonuridae | ![]() |
|
| Ephemeridae | ![]() |
|
| Ephemeridae | ![]() |
Antennae with whorls of long setae |
| Potamanthidae | ![]() |
|
| Polymitarcyidae | ![]() |
|
| Heptageniidae | ![]() |
|
| Ephemerellidae | ![]() |
|
| Leptophlebiidae | ![]() |
|
| Tricorythidae | ![]() |
- Gills arise from sides of abdomen
- Body ending with two or three elongate tails
- Length from 3 to 20mm (not including tails)

















