Abstract

Placobdella cryptobranchii (Johnson & Klemm, 1977) was originally described from specimens collected from Ozark Hellbenders (Cryptobranchus alleganiensis bishopi) from the North Fork of the White River in Missouri, U.S.A. Leeches collected during August 2009 to August 2011 from five localities in Missouri (including the type locality) facilitated a redescription and molecular characterization of Placobdella cryptobranchii. Placobdella cryptobranchii has a rusty, reddish-brown dorsum with 2 lateral rows of unpigmented papillae, two unpigmented nuchal bands, unpigmented patches, and pair of four pre-anal papillae. Molecular comparison of CO-I sequence data from Placobdella cryptobranchii revealed a 93–94% similarity to Placobdella ornata and 10–17% difference among other species of Placobdella.

Highlights

  • The hellbender (Cryptobranchus alleganiensis alleganiensis and Cryptobranchus alleganiensis bishopi) is among the largest salamanders in the world, but is imperiled across much of its range in North America

  • Placobdella cryptobranchii (Johnson & Klemm, 1977) was originally described from specimens collected from Ozark Hellbenders (Cryptobranchus alleganiensis bishopi) from the North Fork of the White River in Missouri, U.S.A

  • The present study provides a redescription and molecular characterization of P. cryptobranchii from its type locality and other localities

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Summary

Introduction

The hellbender (Cryptobranchus alleganiensis alleganiensis and Cryptobranchus alleganiensis bishopi) is among the largest salamanders in the world, but is imperiled across much of its range in North America. Abstract Placobdella cryptobranchii (Johnson & Klemm, 1977) was originally described from specimens collected from Ozark Hellbenders (Cryptobranchus alleganiensis bishopi) from the North Fork of the White River in Missouri, U.S.A. Leeches collected during August 2009 to August 2011 from five localities in Missouri (including the type locality) facilitated a redescription and molecular characterization of P. cryptobranchii.

Results
Conclusion

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