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2015 ; 4
(ä): 497
Nephropedia Template TP
gab.com Text
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English Wikipedia
Efficacy of potential chemical control compounds for removing invasive American
bullfrogs (Rana catesbeiana)
#MMPMID26389022
Witmer GW
; Snow NP
; Moulton RS
Springerplus
2015[]; 4
(ä): 497
PMID26389022
show ga
Invasive American bullfrogs [Rana catesbeiana (Lithobates catesbeianus)] are
outcompeting and predating on native biota and contributing to reductions in
biodiversity worldwide. Current methods for controlling American bullfrogs are
incapable of stopping their expansion, thus more cost-effective and broadly
applicable methods are needed. Although chemical control compounds have been
identified as effective for removing other invasive amphibians, none have been
tested for American bullfrogs. Our objective was to expand on previous research
and test the efficacy of 10 potential chemical control compounds for removing
invasive American bullfrogs. After a dermal spray-application of 4 ml, we found 3
compounds (i.e., chloroxylenol, rotenone with permethrin, and caffeine) at 5-10 %
concentrations in water were 100 % lethal for adult American bullfrogs.
Chloroxylenol and rotenone with permethrin were fast acting with time-to-death
<2 h. This research presents a first-step toward incorporating chemical control
as part of integrated pest management strategy for controlling invasive American
bullfrogs. Follow-up studies on delivery systems and reducing non-target hazards
should ensue with these compounds to confirm their effectiveness and safety for
removing invasive American bullfrogs.