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Helobdella sp. shows parenting skills

Peter Trontelj peter.trontelj at bf.uni-lj.si
Mon Jul 5 05:13:59 EST 2004

Dear list members,

The leech genus Helobdella seems to be a cosmopolitan in space in time. 
Two decades ago, exactly the same behavior has been observed and 
described in Europe:  

Kutschera U., Wirtz P. 1986: A leech that feeds its young. Anim. Behav. 
34, 941-942  

Kutschera U., Wirtz P. 1986: Reproductive behaviour and parental care of
Helobdella striata (Hirudinea: Glossiphoniidae). Ethology 72, 132-142 

Kutschera U. 1992: Reproductive behaviour and parental care of the leech
Helobdella triserialis (Hirudinea: Glossiphoniidae). Zool. Anz. 228:

Kutschera U., Wirtz P. 2001: The Evolution of Parental Care in
Freshwater Leeches. Theory Biosci. 120: 115-137.

Peter Trontelj

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