????λ?????? > ?????? > ?????? > ??????S > ???
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?????????Shu?? Zh??
?????????HIRUDO
???????????????䴙??????
?????????????ο???????Whitmania pigra Whitman?????Hirudo nipponica Whitman????????Whit-mania acranulata Whitman ??????塣??????????????÷??????????????????
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???????????Σ??ж??????????4??10cm,??0.5??2cm?????????????????????????????????????????5???????????????????????????????????????????????????1?????????????????????????????????????潺???????????
??Σ???????Σ??????????????2??5cm????0.2??0.3cm??
????????????????5??12cm,??0.1??0.5cm??
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????Σ??????ζΣ????????????? D?????????????????
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?????????Ρ?????????????????????Y????飬?????????????????
???÷???????1.5??3g??
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