Hi!

Nice to know someone is still reading my old papers.  Is anyone out there
working on feeding and/ or  control of Euglandia.  I have a few ideas about
control but living in Northern Ireland somewhat limits my access to
material!

If anyone still needs reminding- Do not introduce Euglandina to control
Achatina... They will not eat big snails in the presence of small ones
probably because of their high calcium demand which is only met by consuming
shells.

Tony Cook

                -----Original Message-----
                From:   Scott Jordan [mailto:[log in to unmask]]
                Sent:   09 December 2000 20:40
                To:     [log in to unmask]
                Subject:        Euglandina

                I believe that the introduction of Euglandina is held
largely responsible for the extinction of Carelia and Achitinella in the
Hawaiian Islands.  My understanding is that Euglandia will prey on Achatina
only as a last resort, but is otherwise an extremely effective predator
(actually quite a fascinating animal.  Read Anthony Cook, "Functional
Aspects of Trail Following by the Carnivorous Snail Euglandina rosea",
Malacologia, 26(1-2) and "The Organisation of Feeding in the Carnivorous
Snail Euglandina rosea, Malacologia, 26(1-2)").
                The endemic Hawaiian land gastropods had significantly
longer life cycles than either Achatina or Euglandia, which made them very
vulnerable to predation.  Loss of habitat also contributed to their
downfall.  It is arguable that these island pulmonates were as important
indicators of evolution and biodiversity as Darwin's Galapagos finches.  A
very sad story indeed.
                Scott Jordan