THE LARVAL DEVELOPMENT OF LABIDOCHIRUS SPLENDESCENS (OWEN, 1839) (DECAPODA, PAGURIDAE) 1) BY CARL F. NYBLADE Department of Zoology, University of Washington, Seattle, Washington 98195, U.S.A. and PATSY A. MCLAUGHLIN Department of Biological Sciences, Florida International University, Miami, Florida 33199, U.S.A. INTRODUCTION On the basis of adult morphology, McLaughlin (1974) restricted and raised Benedict's (1892) subgenus, Labidochirus, to generic rank for two species formerly assigned to Paguriis Fabricius. The larvae of one of the species, L. splendescens (Owen, 1839), now have been reared in the laboratory. Although the hetero- geneity of Pagurus is well recognized (cf. MacDonald, Pike & Williamson, 1957; Forest & De Saint Laurent, 1967; McLaughlin, 1974) both in adult and larval morphology, the larvae of L. spleyadescens are sufficiently distinct from typical Pagi?r?zfs species to substantiate the generic distinctness of Labidochirus. MATERIALS AND METHODS One ovigerous female was collected from 96-140 meters off Mineral Point, San Juan Island, Washington, U.S.A., 3 December 1971, and a second ovigerous female was collected off Shaw Island, Washington, U.S.A., from 50-60 meters, 11 March 1972. These two specimens were maintained in aerated sea water, which was changed weekly after a feeding of raw fish. Larvae from the first specimen hatched
Crustaceana – Brill
Published: Jan 1, 1975
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