Kebnat
INSECTS

March flat-headed mayfly

Maccaffertium vicarium

Insects
March flat-headed mayfly, Nymph
March flat-headed mayfly, Nymph
March flat-headed mayfly, photo 3 of 5

Mayfly in the family Heptageniidae. Lives near water. Its aquatic larva feeds on algae scraped off submerged surfaces.

There are 46 observations of March flat-headed mayfly in Québec, mostly in Chaudière-Appalaches, Lanaudière and Laurentides, and it has been reported in 14 of the 17 regions.

Where to see it

  1. Chaudière-Appalaches18
  2. Lanaudière5
  3. Laurentides5
  4. Bas-Saint-Laurent5
  5. Capitale-Nationale2
  6. Montréal2
  7. Côte-Nord2
  8. Nord-du-Québec1
  9. Gaspésie–Îles-de-la-Madeleine1
  10. Montérégie1
  11. Centre-du-Québec1
  12. Mauricie1
  13. Estrie1
  14. Outaouais1

Habitat

Water’s edgepeupleloup

Similar species

Dark CahillStenonema femoratum
Modest flat-headed mayflyMaccaffertium modestum
Giant MayflyHexagenia limbata
Spotted flat-headed mayflyMaccaffertium mediopunctatum