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Mayfly Genus Maccaffertium (March Browns and Cahills)

Taxonomic Navigation -?-
Species in MaccaffertiumNumber of SpecimensNumber of Pictures
Maccaffertium ithacaLight Cahill434
Maccaffertium luteum14
Maccaffertium mediopunctatumCream Cahill26
Maccaffertium mexicanumCream Cahill413
Maccaffertium modestumCream Cahill725
Maccaffertium pudicum16
Maccaffertium pulchellumLight Cahill00
Maccaffertium terminatum419
Maccaffertium vicariumMarch Brown1982

8 species aren't included.
Common Name
MatchCommon Name
****March Browns and Cahills
Pictures Below

This is page 4 of specimens of Maccaffertium. Visit the main Maccaffertium page for:

  • The behavior and habitat of Maccaffertium.
  • 1 underwater picture of Maccaffertium.

Pictures of 59 Mayfly Specimens in the Genus Maccaffertium:

Specimen Page:1...345...7
Male Maccaffertium vicarium (March Brown) Mayfly SpinnerMale Maccaffertium vicarium (March Brown) Mayfly Spinner View 5 PicturesThis spinner comes from a dun I collected and photographed earlier.
Collected May 28, 2005 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on May 24, 2006
Maccaffertium luteum Mayfly NymphMaccaffertium luteum  Mayfly Nymph View 4 Pictures
Collected January 19, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Maccaffertium vicarium (March Brown) Mayfly NymphMaccaffertium vicarium (March Brown) Mayfly Nymph View 3 PicturesI keyed this nymph to Stenonema fuscom, which is now synonymized with Maccaffertium vicarium. However, the size, markings, and time of year make me very skeptical of this identification.
Collected June 9, 2005 from the Bois Brule River in Wisconsin
Added to Troutnut.com by Troutnut on May 26, 2006
Specimen Page:1...345...7
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