A Common Pill Bug in Harford Co., Maryland (12/8/2018).

View Record Details Photo by Dave Webb MBP List

A Common Pill Bug in Harford Co., Maryland (8/10/2020).

View Record Details Photo by Dave Webb MBP List

Common Pill Bug in Prince George's Co., Maryland (5/19/2021).

View Record Details Photo by Barbara Thurlow MBP List

A Common Pill Bug in Allegany Co., Maryland (4/18/2015). Determined by Even Dankowicz/BugGuide.

View Record Details Photo by Timothy Reichard MBP List

A Common Pill Bug in Harford Co., Maryland (6/10/2018).

View Record Details Photo by Josh Emm MBP List

A Common Pill Bug in Harford Co., Maryland (1/19/2020).

View Record Details Photo by Dave Webb MBP List

A Common Pill Bug in Baltimore Co., Maryland (10/24/2019).

View Record Details Photo by Emilio Concari MBP List

A Common Pill Bug in Baltimore Co., Maryland (5/11/2018).

View Record Details Photo by Dave Webb MBP List

A Common Pill Bug in Calvert Co., Maryland (2/23/2021).

View Record Details Photo by Dave Webb MBP List

Common Pill Bug in Carroll Co., Maryland (7/18/2023). (c) Adrienne van den Beemt, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 1191359 - Psn: 88)

Common Pill Bug in Carroll Co., Maryland (7/18/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY).

View Record Details Photo by Adrienne van den Beemt MBP List

A Common Pill Bug in Baltimore Co., Maryland (5/20/2018).

View Record Details Photo by Dave Webb MBP List

A Common Pill Bug in Worcester Co., Maryland (9/22/2018).

View Record Details Photo by Bill Hubick MBP List

A female Common Pill Bug in Worcester Co., Maryland (9/22/2018).

View Record Details Photo by Bill Hubick MBP List

A Common Pill Bug in Harford Co., Maryland (7/7/2021).

View Record Details Photo by Dave Webb MBP List

A Common Pill Bug in Howard Co., Maryland (6/24/2019).

View Record Details Photo by Bill Hubick MBP List

Map Snapshot

91 Records

GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO

Status

Introduced worldwide from Europe (BugGuide).

Description

This species can roll into a nearly perfect sphere. Note yellowish patches on dark gray. BugGuide notes trapezoidal shape of the telson and that head has no significant middle lobe.

Where To Find

Found under rocks and logs.

Seasonality Summary

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Resources

View at iNaturalist Search Google Images Search MBP Facebook posts

View images at BugGuide

Citations

No citations linked for this taxon yet.

Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

A Common Pill Bug in Harford Co., Maryland (12/8/2018). View Record Details Media by Dave Webb.

A Common Pill Bug in Harford Co., Maryland (8/10/2020). View Record Details Media by Dave Webb.

Common Pill Bug in Prince George's Co., Maryland (5/19/2021). View Record Details Media by Barbara Thurlow.

A Common Pill Bug in Allegany Co., Maryland (4/18/2015). Determined by Even Dankowicz/BugGuide. View Record Details Media by Timothy Reichard.

A Common Pill Bug in Harford Co., Maryland (6/10/2018). View Record Details Media by Josh Emm.

A Common Pill Bug in Harford Co., Maryland (1/19/2020). View Record Details Media by Dave Webb.

A Common Pill Bug in Baltimore Co., Maryland (10/24/2019). View Record Details Media by Emilio Concari.

A Common Pill Bug in Baltimore Co., Maryland (5/11/2018). View Record Details Media by Dave Webb.

A Common Pill Bug in Calvert Co., Maryland (2/23/2021). View Record Details Media by Dave Webb.

Common Pill Bug in Carroll Co., Maryland (7/18/2023). (c) Adrienne van den Beemt, some rights reserved (CC BY). View Record Details Media by Adrienne van den Beemt.

A Common Pill Bug in Baltimore Co., Maryland (5/20/2018). View Record Details Media by Dave Webb.

A Common Pill Bug in Worcester Co., Maryland (9/22/2018). View Record Details Media by Bill Hubick.

A female Common Pill Bug in Worcester Co., Maryland (9/22/2018). View Record Details Media by Bill Hubick.

A Common Pill Bug in Harford Co., Maryland (7/7/2021). View Record Details Media by Dave Webb.

A Common Pill Bug in Howard Co., Maryland (6/24/2019). View Record Details Media by Bill Hubick.