Genus Macromia

Taxon ID: 31502

Summary

Maryland Biodiversity Project has documented 6 taxa in Genus Macromia.

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Records

MBP has 182 records spanning 21 counties. We still need records from Carroll, Baltimore City, and Somerset.

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Species (3)

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Media

71 displayed media

A Georgia River Cruiser in Queen Anne's Co., Maryland (8/24/2013).

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Jim Brighton

An Illinois River Cruiser in Washington Co., Maryland (6/6/2011).

Illinois River Cruiser (Macromia illinoiensis illinoiensis (Walsh, 1862)) Media by Hans Holbrook

A Georgia River Cruiser in Caroline Co., Maryland (6/26/2010).

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Jim Brighton

The abdomen pattern of an Illinois River Cruiser found at 1000 Acre Heath, Maine (7/4/2010).

Illinois River Cruiser (Macromia illinoiensis illinoiensis (Walsh, 1862)) Media by Jim Brighton

The abdomen pattern of a Georgia River Cruiser found in Caroline Co., Maryland (6/26/2010).

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Jim Brighton

Georgia River Cruiser in Caroline Co., Maryland (6/25/2010). (c) Bill Hubick, all rights reserved.

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Bill Hubick View Record

An Allegheny River Cruiser in Allegany Co., Maryland (7/9/2006).

Allegheny River Cruiser (Macromia alleghaniensis Williamson, 1909) Media by Steve Collins

An Illinois River Cruiser in Washington Co., Maryland (6/1/2019).

Illinois River Cruiser (Macromia illinoiensis illinoiensis (Walsh, 1862)) Media by Frode Jacobsen View Record

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Bill Hubick View Record

A Swift River Cruiser in Anne Arundel Co., Maryland (6/16/2018).

Macromia illinoiensis (Selys, 1878) Media by Bob Cammarata View Record

Allegheny River Cruiser (Macromia alleghaniensis Williamson, 1909) Media by Steve Collins

Closeups of the cerci of an Allegheny River Cruiser in Allegany Co, Maryland (7/9/2006).

Allegheny River Cruiser (Macromia alleghaniensis Williamson, 1909) Media by Steve Collins

Illinois River Cruiser in Frederick Co., Maryland (9/14/2008). (c) Bill Hubick, all rights reserved.

Illinois River Cruiser (Macromia illinoiensis illinoiensis (Walsh, 1862)) Media by Bill Hubick View Record

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Bill Hubick View Record

Illinois River Cruiser in Anne Arundel Co., Maryland (6/9/2019). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Illinois River Cruiser (Macromia illinoiensis illinoiensis (Walsh, 1862)) Media by Matthew Beziat View Record

Royal River Cruiser in Maryland (Date obscured). (c) dansmall, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Royal River Cruiser (Macromia taeniolata Rambur, 1842) Media by Dan Small View Record

A Georgia River Cruiser in Wicomico Co., Maryland (7/14/2007).

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Jim Stasz View Record

Georgia River Cruiser in Caroline Co., Maryland (7/25/2014). (c) 116916927065934112165, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-sa/4.0/'>CC BY-SA</a>).

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Matt Muir via iNaturalist View Record

Georgia River Cruiser in Caroline Co., Maryland (7/11/2022). (c) Scot Magnotta, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Scot Magnotta via iNaturalist View Record

Georgia River Cruiser in Caroline Co., Maryland (Date obscured). (c) Josh Emm, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Josh Emm View Record

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Scot Magnotta via iNaturalist View Record

Georgia River Cruiser in Wicomico Co., Maryland (7/14/2007). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Hans Holbrook View Record

Georgia River Cruiser in Wicomico Co., Maryland (7/14/2007). (c) Birder20714, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Jim Stasz View Record

Georgia River Cruiser (Macromia illinoiensis georgina (Selys, 1878)) Media by Hans Holbrook View Record

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Genus Macromia

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Records

Species (3)

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Descendant Taxa Checklist