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Mayfly Genus Maccaffertium (March Browns and Cahills)

Taxonomic Navigation -?-
» Genus Maccaffertium (March Browns and Cahills)
Species in MaccaffertiumNumber of SpecimensNumber of Pictures
Maccaffertium ithacaLight Cahill00
Maccaffertium luteum00
Maccaffertium mediopunctatumCream Cahill00
Maccaffertium mexicanumCream Cahill00
Maccaffertium modestumCream Cahill00
Maccaffertium pudicum00
Maccaffertium pulchellumLight Cahill00
Maccaffertium terminatum00
Maccaffertium vicariumMarch Brown00

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


Pictures Below ↓

This is page 6 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...4567
Male Maccaffertium vicarium (March Brown) Mayfly DunMale Maccaffertium vicarium (March Brown) Mayfly Dun View 4 PicturesThis is the only Heptageniid mayfly I saw hatch on May 24, 2004, and luckily it floated right by me.

Edit: Gonzo confirmed most likely vicarium 06.21.12
Collected May 24, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Maccaffertium (March Browns and Cahills) Mayfly NymphMaccaffertium (March Browns and Cahills) Mayfly Nymph View 5 Pictures
Collected March 29, 2005 from Salmon Creek in New York
Added to Troutnut.com by Troutnut on April 7, 2006
Male Maccaffertium vicarium (March Brown) Mayfly SpinnerMale Maccaffertium vicarium (March Brown) Mayfly Spinner View 3 Pictures
Collected May 28, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Female Maccaffertium (March Browns and Cahills) Mayfly DunFemale Maccaffertium (March Browns and Cahills) Mayfly Dun View 6 PicturesI collected this female dun together with a male. She's fairly damaged but at least you can see the colors.
Collected May 27, 2005 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on May 22, 2006
Maccaffertium (March Browns and Cahills) Mayfly NymphMaccaffertium (March Browns and Cahills) Mayfly Nymph View 4 Pictures
Collected January 12, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Female Maccaffertium (March Browns and Cahills) Mayfly SpinnerFemale Maccaffertium (March Browns and Cahills) Mayfly Spinner View 6 Pictures
Collected July 1, 2005 from the Bois Brule River in Wisconsin
Added to Troutnut.com by Troutnut on April 22, 2006
Maccaffertium (March Browns and Cahills) Mayfly NymphMaccaffertium (March Browns and Cahills) Mayfly Nymph View 5 Pictures
Collected April 14, 2007 from Cayuta Creek in New York
Added to Troutnut.com by Troutnut on April 22, 2007
Female Maccaffertium (March Browns and Cahills) Mayfly DunFemale Maccaffertium (March Browns and Cahills) Mayfly Dun View 5 Pictures
Collected June 8, 2005 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on May 26, 2006
Male Maccaffertium vicarium (March Brown) Mayfly SpinnerMale Maccaffertium vicarium (March Brown) Mayfly Spinner View 3 Pictures
Collected May 28, 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 5 Pictures
Collected January 12, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Specimen Page:1...4567
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