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A new species of leech of the genus Placobdella (Hirudinida, Glossiphoniidae) from the American alligator (Alligator mississippiensis) in Mississippi, USA.


ABSTRACT: To date, the only species of leech reported from the American Alligator, Alligator mississippiensis is Placobdella multilineata. Seven specimens of a previously undescribed species of Placobdella were collected from the feet and lower jaw of a single female alligator from the Pascagoula River Wildlife Management Area, George County, Mississippi. The new species was named Placobdella siddalli Richardson & Moser, sp. n., in honor of the contributions of Dr. Mark Siddall to our understanding of the biology of leeches. Placobdella siddalli Richardson & Moser is similar to other papillated members of the genus Placobdella, but differs from Placobdella ali Hughes & Siddall, 2007, Placobdella rugosa (Verrill, 1874), Placobdella multilineata Moore, 1953, and Placobdella papillifera (Verrill, 1872) in coloration, papillation, ventral striping, and in the possession of a relatively large caudal sucker. In addition, molecular comparison of 626 nucleotides of CO-I between the new species and other papillated leeches (P. ali, P. multilineata, Placobdella ornata, P. papillifera, P. rugosa) revealed interspecific differences of 14.0-18.0% (88-113 nucleotides).

SUBMITTER: Richardson DJ 

PROVIDER: S-EPMC5523385 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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A new species of leech of the genus <i>Placobdella</i> (Hirudinida, Glossiphoniidae) from the American alligator (<i>Alligator mississippiensis</i>) in Mississippi, USA.

Richardson Dennis J DJ   Moser William E WE   Hammond Charlotte I CI   Lazo-Wasem Eric A EA   McAllister Chris T CT   Pulis Eric E EE  

ZooKeys 20170410 667


To date, the only species of leech reported from the American Alligator, <i>Alligator mississippiensis</i> is <i>Placobdella multilineata</i>. Seven specimens of a previously undescribed species of <i>Placobdella</i> were collected from the feet and lower jaw of a single female alligator from the Pascagoula River Wildlife Management Area, George County, Mississippi. The new species was named <i>Placobdella siddalli</i> Richardson & Moser, <b>sp. n.</b>, in honor of the contributions of Dr. Mark  ...[more]

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