A New Species of Leech, 'Batracobdella cryptobranchii' n. sp. (Annelida: Hirudinea), Parasitic on the Ozark Hellbender

摘要

Batracobdella cryptobranchii, parasitic on Ozark Hellbenders, Cryptobranchus alleganiensis, is found in the North Fork of the White River, Ozark County, in Missouri. B. cryptobranchii reaches a length of 17 mm; dorsum is smooth; color pattern or metameric markings are absent. The anus opens dorsally with two postanal annuli. Caudal sucker is circular, directed ventrally, and is distinct from the body on a very short pedicel.