Kebnat
INSECTS

Sulphur Dun

Ephemerella invaria

Insects
Sulphur Dun, Female
Sulphur Dun, Nymph
Sulphur Dun, Male

Mayfly in the family Ephemerellidae. Lives near water.

There are 58 observations of Sulphur Dun in Québec, mostly in Chaudière-Appalaches, Laurentides and Capitale-Nationale, and it has been reported in 12 of the 17 regions. They peak in May.

Through the year

JFMAMJJASOND

Where to see it

  1. Chaudière-Appalaches23
  2. Laurentides8
  3. Capitale-Nationale6
  4. Lanaudière4
  5. Bas-Saint-Laurent3
  6. Estrie3
  7. Nord-du-Québec2
  8. Montérégie2
  9. Centre-du-Québec2
  10. Montréal2
  11. Côte-Nord2
  12. Mauricie1

Habitat

Water’s edgeGogerr

Similar species

Giant MayflyHexagenia limbata