Maryland Biodiversity Project - Maccaffertium modestum

Maccaffertium modestum (Banks, 1910)

Kingdom Animalia > Phylum Arthropoda > Class Insecta > Order Ephemeroptera > Family Heptageniidae > Genus Maccaffertium Maccaffertium modestum - https://www.marylandbiodiversity.com/view/19540

Records:

There are 68 records in the project database.

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<em>Maccaffertium modestum</em> female imago in Anne Arundel Co., Maryland (6/6/2016). Identication verified by Roger Rohrbeck/BugGuide. (Photo ID: 125568 - Psn: 20)

Maccaffertium modestum female imago in Anne Arundel Co., Maryland (6/6/2016). Identication verified by Roger Rohrbeck/BugGuide. Photo by Timothy Reichard. (MBP list)

<em>Maccaffertium modestum</em> male imago in Anne Arundel Co., Maryland (6/6/2016). Identification verified by Roger Rohrbeck/BugGuide. (Photo ID: 125569 - Psn: 20)

Maccaffertium modestum male imago in Anne Arundel Co., Maryland (6/6/2016). Identification verified by Roger Rohrbeck/BugGuide. Photo by Timothy Reichard. (MBP list)

A female <em>Maccaffertium modestum</em> in Harford Co., Maryland (6/29/2020). Determined by Roger Rohrbeck/BugGuide. (Photo ID: 180593 - Psn: 20)

A female Maccaffertium modestum in Harford Co., Maryland (6/29/2020). Determined by Roger Rohrbeck/BugGuide. Photo by Dave Webb. (MBP list)

A female imago <em>Maccaffertium modestum</em> in Harford Co., Maryland (8/12/2021). Verified by Roger Rohrbeck/BugGuide. (Photo ID: 434237 - Psn: 20)

A female imago Maccaffertium modestum in Harford Co., Maryland (8/12/2021). Verified by Roger Rohrbeck/BugGuide. Photo by Dave Webb. (MBP list)

A <em>Maccaffertium modestum</em> in Allegany Co., Maryland (7/18/2020). Determined by Mack Beacon. (Photo ID: 195576 - Psn: 35)

A Maccaffertium modestum in Allegany Co., Maryland (7/18/2020). Determined by Mack Beacon. Photo by Jim Brighton. (MBP list)

<em>Maccaffertium modestum</em> in Allegany Co., Maryland (5/10/2015). (c) treichard, all rights reserved. (Photo ID: 229090 - Psn: 44)

<em>Maccaffertium modestum</em> in Harford Co., Maryland (6/12/2020). (c) apistopanchax, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 309507 - Psn: 44)

Maccaffertium modestum in Harford Co., Maryland (6/12/2020). (c) apistopanchax, some rights reserved (CC BY-NC). Photo by Josh Emm. (MBP list)

A <em>Maccaffertium modestum</em> in Allegany Co., Maryland (6/20/2020). Determined by Mack Beacon. (Photo ID: 177235 - Psn: 45)

A Maccaffertium modestum in Allegany Co., Maryland (6/20/2020). Determined by Mack Beacon. Photo by Jim Brighton. (MBP list)

<em>Maccaffertium modestum</em> in Howard Co., Maryland (7/25/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 303128 - Psn: 45)

<em>Maccaffertium modestum</em> in Howard Co., Maryland (7/25/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 303127 - Psn: 46)

A female imago <em>Maccaffertium modestum</em> in Baltimore Co., Maryland (5/17/2022). Verified by Roger Rohrbeck/BugGuide. (Photo ID: 587994 - Psn: 52)

A female imago Maccaffertium modestum in Baltimore Co., Maryland (5/17/2022). Verified by Roger Rohrbeck/BugGuide. Photo by Dave Webb. (MBP list)

<em>Maccaffertium modestum</em> in Howard Co., Maryland (9/6/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 226714 - Psn: 54)

A female <em>Maccaffertium modestum</em> in Harford Co., Maryland (5/25/2020). Determined by Roger Rohrbeck/BugGuide. (Photo ID: 167147 - Psn: 55)

A female Maccaffertium modestum in Harford Co., Maryland (5/25/2020). Determined by Roger Rohrbeck/BugGuide. Photo by Dave Webb. (MBP list)

<em>Maccaffertium modestum</em> in Howard Co., Maryland (9/6/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 226709 - Psn: 55)

<em>Maccaffertium modestum</em> in Howard Co., Maryland (9/6/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 226715 - Psn: 55)

<em>Maccaffertium modestum</em> in Anne Arundel Co., Maryland (Date obscured). (c) Timothy Reichard, all rights reserved. (Photo ID: 327336 - Psn: 55)

<em>Maccaffertium modestum</em> in Baltimore Co., Maryland (6/1/2021). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 490323 - Psn: 55)

Maccaffertium modestum in Baltimore Co., Maryland (6/1/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen. (MBP list)

<em>Maccaffertium modestum</em> in Howard Co., Maryland (9/6/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 226710 - Psn: 56)

<em>Maccaffertium modestum</em> in Anne Arundel Co., Maryland (Date obscured). (c) Timothy Reichard, all rights reserved. (Photo ID: 327335 - Psn: 56)

A female imago <em>Maccaffertium modestum</em> in Harford Co., Maryland (5/31/2022). Determined by Roger Rohrbeck/BugGuide. (Photo ID: 686410 - Psn: 56)

A female imago Maccaffertium modestum in Harford Co., Maryland (5/31/2022). Determined by Roger Rohrbeck/BugGuide. Photo by Dave Webb. (MBP list)

<em>Maccaffertium modestum</em> in Howard Co., Maryland (9/6/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 226708 - Psn: 65)

<em>Maccaffertium modestum</em> in Howard Co., Maryland (9/6/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 226707 - Psn: 66)

Maccaffertium modestum in Harford Co., Maryland (6/12/2020). (c) apistopanchax, some rights reserved (CC BY-NC). Photo by Josh Emm. (MBP list)

A <em>Maccaffertium modestum</em> female imago in Harford Co., Maryland (5/22/2021). (Photo ID: 410077 - Psn: 76)

A Maccaffertium modestum female imago in Harford Co., Maryland (5/22/2021). Photo by Dave Webb. (MBP list)

<em>Maccaffertium modestum</em> in Washington Co., Maryland (6/10/2023). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 914123 - Psn: 76)

Maccaffertium modestum in Washington Co., Maryland (6/10/2023). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen. (MBP list)

<em>Maccaffertium modestum</em> in Carroll Co., Maryland (7/17/2023). (c) Adrienne van den Beemt, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 900696 - Psn: 78)

Maccaffertium modestum in Carroll Co., Maryland (7/17/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY). Photo by Adrienne van den Beemt. (MBP list)

<em>Maccaffertium modestum</em> in Howard Co., Maryland (6/27/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 178933 - Psn: 79)

<em>Maccaffertium modestum</em> in Howard Co., Maryland (6/27/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 178934 - Psn: 80)

<em>Maccaffertium modestum</em> in Frederick Co., Maryland (6/15/2018). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 374879 - Psn: 88)

Maccaffertium modestum in Frederick Co., Maryland (6/15/2018). (c) Mark Etheridge, some rights reserved (CC BY-NC). Photo by Mark Etheridge. (MBP list)

<em>Maccaffertium modestum</em> in Carroll Co., Maryland (7/16/2023). (c) Adrienne van den Beemt, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 900697 - Psn: 99)

Maccaffertium modestum in Carroll Co., Maryland (7/16/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY). Photo by Adrienne van den Beemt. (MBP list)

<em>Maccaffertium modestum</em> in Carroll Co., Maryland (1/7/2021). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 327337 - Psn: 105)

Maccaffertium modestum in Carroll Co., Maryland (1/7/2021). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

<em>Maccaffertium modestum</em> in Frederick Co., Maryland (4/24/2021). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 366096 - Psn: 114)

Maccaffertium modestum in Frederick Co., Maryland (4/24/2021). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

A male imago <em>Maccaffertium modestum</em> in Carroll Co., Maryland (7/18/2021). Determined by Roger Rohrbeck/BugGuide. (Photo ID: 476423 - Psn: 125)

A male imago Maccaffertium modestum in Carroll Co., Maryland (7/18/2021). Determined by Roger Rohrbeck/BugGuide. Photo by Barbara Speckart. (MBP list)

<em>Maccaffertium modestum</em> in Montgomery Co., Maryland (8/23/2020). (c) Jane Hartman, all rights reserved. (Photo ID: 304084 - Psn: 132)

Maccaffertium modestum in Frederick Co., Maryland (4/24/2021). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

<em>Maccaffertium modestum</em> in Montgomery Co., Maryland (8/23/2020). (c) Jane Hartman, all rights reserved. (Photo ID: 304085 - Psn: 135)

Maccaffertium modestum in Frederick Co., Maryland (4/24/2021). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

<em>Maccaffertium modestum</em> in Frederick Co., Maryland (11/6/2021). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 485101 - Psn: 145)

Maccaffertium modestum in Frederick Co., Maryland (11/6/2021). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

<em>Maccaffertium modestum</em> in Montgomery Co., Maryland (5/17/2020). (c) kmis9013, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 303410 - Psn: 155)

Maccaffertium modestum in Montgomery Co., Maryland (5/17/2020). (c) kmis9013, some rights reserved (CC BY-NC). Photo by kmis9013 via iNaturalist. (MBP list)

Maccaffertium modestum in Frederick Co., Maryland (11/6/2021). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

Maccaffertium modestum in Montgomery Co., Maryland (5/17/2020). (c) kmis9013, some rights reserved (CC BY-NC). Photo by kmis9013 via iNaturalist. (MBP list)

Maccaffertium modestum in Frederick Co., Maryland (11/6/2021). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

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