Bulletin of the National Speleological Society - ISSN 0146-9517
Volume 27 Number 3: 93-96 - July 1965

A publication of the National Speleological Society

Observations of a New Troglobitic Crayfish
M.S. Bedinger and Horton H. Hobbs, Jr.

Abstract

The recently described Cambarus zophonastes, together with the previously described C. setosus and C. hubrichti, brings to three the number of albinistic species of crayfishes recorded from the Ozark region. C. zophonastes is known from only one locality in Arkansas, and its discovery adds information to the known distribution of albinistic crayfishes in the Ozark region. The individual species are confined to distinctly separated areas. Two are found only in the White River basin, and one species, C. setosus, if found in both the White and Arkansas River basins. Though C. setosus and C. zophonastes are closely related, the ostracod commensals on C. zophonastes are more closely related to those on C. hubrichti than to those on C. setosus. It seems likely that the parent stock of the three species migrated to the Ozark region by way of the White River basin, but data do not permit a hypothesis as to which stock was the earlier migrant.

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