Notes on distinguishing the cocoons and the juveniles of Hirudo medicinalis and Haemopis sanguisuga (Hirudinea)

Author: Maitland P. S.   Phillips D. S.   Gaywood M. J.  

Publisher: Taylor & Francis Ltd

ISSN: 1464-5262

Source: Journal of Natural History, Vol.34, Iss.5, 2000-05, pp. : 685-692

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Abstract