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Insects by Common Name

| Genus in Pteronarcyidae | ||
| PteronarcellaSalmonflies | 0 | 0 |
| PteronarcysSalmonflies | 7 | 49 |
| Match | Common Name |
| Salmonflies |
This is page 2 of specimens of Pteronarcyidae. Visit the main Pteronarcyidae page for:
View 10 Pictures
View 3 PicturesPteronarcys nymphs live for two years before maturing. This small one is in its first year.
View 2 PicturesHere are two size classes of Pteronarcys nymphs. These probably represent two different generations. The largest will probably emerge next spring and the other in two years. There is probably another generation, smaller, I did not collect. In a Canadian study they discovered Pteronarcys eggs do not all hatch simultaneously but hatch for a period of nearly two years, making their egg/nymphal life 5 years. The other photo is of a curled nymph, a typical response to disturbance.
View 1 PicturesThis shows the adult and its exuviae.
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