Armadillidium nasatum Budde-Lund, 1885Adventive    
Kingdom Animalia   >   Phylum Arthropoda   >   Class Malacostraca   >   Order Isopoda   >   Family Armadillidiidae   >   Genus Armadillidium   

Status:

Native to southwestern Europe and adventive in the New World. Found in habitats such as gardens, grassy areas, and greenhouses. (BugGuide)

Description:

Note the incomplete ball when this species rolls up into its defensive posture. The closely related A. vulgare rolls into a tighter, complete ball.

There are 87 records in the project database.

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Armadillidium nasatum in Montgomery Co., Maryland (8/22/2020). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

Armadillidium nasatum in Montgomery Co., Maryland (8/22/2020). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

An Armadillidium nasatum in Prince George's Co., Maryland (10/6/2017). Verified at BugGuide. Photo by Barbara Thurlow. (MBP list)

An Armadillidium nasatum in Harford Co., Maryland (10/30/2017). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Baltimore Co., Maryland (12/14/2018). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Carroll Co., Maryland (5/25/2023). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Washington Co., Maryland (6/17/2022). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Baltimore City Co., Maryland (10/2/2021). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Montgomery Co., Maryland (12/2/2017). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Cecil Co., Maryland (10/19/2019). Photo by Dave Webb. (MBP list)

A colony of Armadillidium nasatum in Talbot Co., Maryland (1/1/2020). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Harford Co., Maryland (1/11/2020). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Worcester Co., Maryland (8/5/2023). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Harford Co., Maryland (11/4/2018). Photo by Dave Webb. (MBP list)

Armadillidium nasatum in Montgomery Co., Maryland (10/1/2021). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

An Armadillidium nasatum in Anne Arundel Co., Maryland (9/20/2016). Verified by Even Dankowicz/BugGuide. Photo by Timothy Reichard. (MBP list)

An Armadillidium nasatum in Harford Co., Maryland (10/26/2017). Verified by BugGuide. This photo shows the incomplete ball formed by A. nasatum when it rolls up into its defensive posture. Its cousin, A. vulgare rolls into a tighter, complete ball. Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Harford Co., Maryland (1/11/2020). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Charles Co., Maryland (8/24/2022). Photo by Dave Webb. (MBP list)

Armadillidium nasatum in Baltimore Co., Maryland (10/29/2022). (c) A van den Beemt, some rights reserved (CC BY-NC). Photo by Adrienne van den Beemt. (MBP list)

An Armadillidium nasatum in Harford Co., Maryland (10/30/2017). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Cecil Co., Maryland (1/24/2019). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Carroll Co., Maryland (4/20/2019). Photo by Jim Moore. (MBP list)

Armadillidium nasatum in Montgomery Co., Maryland (7/3/2020). (c) Katja Schulz, some rights reserved (CC BY). Photo by Katja Schulz via iNaturalist. (MBP list)

Armadillidium nasatum in Montgomery Co., Maryland (7/25/2019). (c) Jane Hartman, all rights reserved. Photo by Jane Hartman. (MBP list)

Armadillidium nasatum in Baltimore Co., Maryland (10/29/2022). (c) Jane Hartman, all rights reserved. Photo by Jane Hartman. (MBP list)

An Armadillidium nasatum in Baltimore Co., Maryland (10/16/2022). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Anne Arundel Co., Maryland (3/31/2017). Photo by Tyler Bell. (MBP list)

An Armadillidium nasatum in Harford Co., Maryland (11/11/2018). Photo by Dave Webb. (MBP list)

Two Armadillidium nasatum in Harford Co., Maryland (5/17/2018). Photo by Dave Webb. (MBP list)

An Armadillidium nasatum in Somerset Co., Maryland (12/9/2023). Photo by Dave Webb. (MBP list)

Armadillidium nasatum in Prince George's Co., Maryland (5/27/2017). Photo by Jim Brighton. (MBP list)

Armadillidium nasatum in Baltimore City, Maryland (7/22/2022). (c) Rin Wolfe, some rights reserved (CC BY-NC-SA). Photo by rinwolfe via iNaturalist. (MBP list)


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