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Mayfly Genus Maccaffertium (March Browns and Cahills)

Taxonomic Navigation -?-
Species in MaccaffertiumNumber of SpecimensNumber of Pictures
Maccaffertium ithacaLight Cahill00
Maccaffertium luteum14
Maccaffertium mediopunctatumCream Cahill534
Maccaffertium mexicanumCream Cahill722
Maccaffertium modestumCream Cahill725
Maccaffertium pulchellumLight Cahill00
Maccaffertium terminatum525
Maccaffertium vicariumMarch Brown1156

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

This is page 5 of specimens of Maccaffertium. Visit the main Maccaffertium page for:

  • The behavior and habitat of Maccaffertium.
  • 1 underwater picture of Maccaffertium.
  • 2 streamside pictures of Maccaffertium.

Pictures of 60 Mayfly Specimens in the Genus Maccaffertium:

Specimen Page:1...4567
Female Maccaffertium modestum (Cream Cahill) Mayfly SpinnerFemale Maccaffertium modestum (Cream Cahill) Mayfly Spinner View 3 PicturesThis one was collected in in association with this male. It looks quite different, but that's often the case between spinner genders.
Collected August 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 19, 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...4567
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