No Common Name Bipalium adventitium Hyman, 1943  

Status:

"The bodies of land planarians are quite flexible and contractible. Thus their dimensions change... The species is believed to have been introduced to North America from eastern Asia, although there are apparently no records of it outside of the U.S. Bipalium adventitium has since been recorded from many locations in the U.S., especially in the northeast." (A. Orstan, pers. comm.) More info in this paper.

Description:

Compare Bipalium pennsylvanicum. Small, typically about 3 inches long or less, has a single dark median stripe that usually does not reach the neck. B. kewense (not yet known to occur in Maryland) is larger, can be as long as your hand, has five dark longitudinal stripes that reach the neck. It shows up in greenhouses, plant nurseries, gardens, etc. (B. Norden, pers. comm.)

Relationships:

Feeds on earthworms.

There are 13 records in the project database.

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A Bipalium adventitium in Washington Co., Maryland (4/9/2019). Verified by Butch Norden. Photo by Michele Siebert. (MBP list)

A Bipalium adventitium in Washington Co., Maryland (5/27/2018). Verified by Butch Norden. Photo by Della Jackson. (MBP list)

A Bipalium adventitium in Montgomery Co., Maryland (6/10/2010). Photo by Aydin Orstan. (MBP list)

A Bipalium adventitium in Montgomery Co., Maryland (6/9/2009). Photo by Aydin Orstan. (MBP list)

Bipalium adventitium in Baltimore Co., Maryland (4/21/2019). Photo by Tulsa Simpson. (MBP list)

A Bipalium adventitium in Harford Co., Maryland (4/17/2019). Verified by Butch Norden. Photo by James Campbell. (MBP list)

A Bipalium adventitium in Anne Arundel Co., Maryland (5/28/2018). Verified by Butch Norden. Photo by Kerry Wixted. (MBP list)

A Bipalium adventitium in Baltimore Co., Maryland (5/13/2009). Determined by Aydin Orstan and Butch Norden. Photo by Justine Schaeffer. (MBP list)

A Bipalium adventitium feeding on earthworm. Collected in Georgetown, Washington, D.C. (9/25/2009). Notes: "This terrestrial planarian is a predator of earthworms. In the photo the light colored tissue covering a portion of the earthworm's body is the planarian's everted pharynx (arrow). The pharynx is located not at or near the head of the planarian, but at about the middle of its body. This photo is from our short paper on the feeding of these planarians." Photo by Aydin Orstan. (MBP list)

A Bipalium adventitium in Carroll Co., Maryland (4/29/2019). Verified by Butch Nordem. Photo by Candice Collison. (MBP list)


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