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Gonaxis quadrilateralis
No
Bermuda
Bermuda
Pacific islandsc
Rumina decollata
Slugs
Achatina fulica
No
Bermuda
Otala lactea
No
No
No
No
No
USA (California)
Bermuda
Slugs
No
Helix aspersa
Bermuda
Rumina decollata
No
Pacific islands, Indian
Ocean islands, southern
and eastern Asiac
Bermuda
Otala lactea
No
No
Successful
control?
Achatina fulica
USA (California)
Helix aspersa
Gonaxis kibweziensis
Pacific islands, Indian
Ocean islands, Caribbean,
southern and eastern Asiac
Achatina fulica
Euglandina rosea
Location
Targetsa
Possible impact on native snails
Possible impact on native snails
Possible impact on native snails
Possible impact on native snails
None; predator not established
Possible impact on native snails
Probable decline of native snails
Probable decline of native snails
Probable decline of native snails
None; predator not established
Decline (possibly extinction) of native snails
Adverse effects
(known and potential)
Snail species used as putative biocontrol agents, whether they have achieved control of the target(s), and their adverse ecological effects
Snail control agent
Table 1.
(continued)
Mead (1979), Civeyrel and Simberloff (1996), Cowie (in press a)
Simmonds and Hughes (1963),
Gould (1991), Bieler and Slapcinsky (submitted)
Simmonds and Hughes (1963),
Gould (1991), Bieler and Slapcinsky (submitted)
Simmonds and Hughes (1963),
Gould (1991), Bieler and Slapcinsky (submitted)
Hanna (1966), Mead (1979),
Fisher and Orth (1985)
Mead (1979), Civeyrel and Simberloff (1996), Cowie (in press
a)
Simmonds and Hughes (1963),
Gould (1991), Bieler and Slapcinsky (submitted)
Simmonds and Hughes (1963),
Gould (1991), Bieler and Slapcinsky (submitted)
Simmonds and Hughes (1963),
Gould (1991), Bieler and Slapcinsky (submitted)
Hanna (1966), Mead (1979),
Fisher and Orth (1985)
Mead (1979), Hadfield (1986),
Murray et al. (1988), Cowie
(1992), Hadfield et al. (1993),
Griffiths et al. (1993), Civeyrel
and Simberloff (1996)
Key referencesb
32
R. H. Cowie