Frederick W. Schueler bckcdb at ISTAR.CA
Mon Oct 11 21:58:26 CDT 1999

Ken Kinman wrote:
> I don't recall the exact definition of a semi-species, but is a
> basically a species caught in the process of becoming two species,
> but not enough divergence has occurred for "isolating mechanisms" (my
> apologies to Ernst Mayr for using that phrase) to be perfected.
>     I believe Les Kaufman (here on Taxacom if I recall correctly) once
> referred to this as "webbing at the node"...

* I believe that a semispecies is defined as a species which is a member
of a superspecies, without any implication that it is imperfectly
differentiated from other members of the superspecies, though frequently
misused to imply imperfect differentiation.

         Eastern    Ontario    Biodiversity    Museum
                Grenville Co, Ontario, Canada
(RR#2 Oxford Station, K0G 1T0) (613)258-3107   bckcdb at

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