New Zealand Journal of Marine and Freshwater Research abstracts

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A method for distinguishing the females and late copepodites of three species of Boeckella

COLLEEN D. JAMIESON*

Department of Zoology University of Otago P. O. Box 56, Dunedin New Zealand

Abstract Consistent differences in the morphology of the last metasomal segment and genital segment were found among adult female Boeckella triarticulata, B. dilatata, and B. hamata. These differences are taxonomically useful in collections where males are sparse. Distinguishing features used to classify CIII-CV B. triarticulata, B. dilatata, and B. hamata of co-occurring populations to species are also described. The diagnostic features of both adult female and copepodites may be used at low magnifications.

Keywords taxonomy; calanoid copepods; Boeckella triarticulata; Boeckella dilatata; Boeckella hamata; adult female; copepodites; morphology

New Zealand Journal of Marine and Freshwater Research, 1986, Vol.20: 153-156 Received 16 August 1984; accepted 12 July 1985

PDF file of entire paper: medium quality (230K); (scanned from paper original: notes about this process)

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