期刊
JOURNAL OF INSECT CONSERVATION
卷 14, 期 5, 页码 459-465出版社
SPRINGER
DOI: 10.1007/s10841-010-9274-6
关键词
Ant eradication; Ecological cost; Formicidae; Maxforce; Non-target effects
资金
- United State Fish and Wildlife Service
- Offshore Islet Restoration Committee
Invasive ants can cause major disruptions in native ecosystems. Ant eradication methods without significant non-target effects are needed to stop incipient invasions and to aid in ecosystem restoration. Successful ant eradications are rare and there is very little understanding of the effects of ant eradication methods, such as the use of formicides, on non-target species. Here we attempted to control and possibly eradicate the invasive tropical fire ant, Solenopsis geminata, from a small islet using the formicide Maxforce(A (R)) (active ingredient: hydramethylnon), and to quantify the non-target effects on an almost exclusively alien ground-dwelling arthropod community. S. geminata abundance was reduced and the species was not detected on bait cards for 12 months post-treatment. The abundance of another non-target invasive ant that was primarily detected in pitfall traps, Tetramoruim bicarinatum, declined in pitfall traps following treatment, but seemed to be excluded from bait cards by S. geminata. Total ant abundance did not return to original levels until more than 12 months post-treatment. Populations of alien cockroaches (Order Blattaria) and crickets (Orthoptera: Gryllidae) were negatively affected by the treatment. We conclude that Maxforce(A (R)) can be used to control small infestations of S. geminata and T. bicarinatum effectively; however we recommend it be used cautiously due to the potential ecological cost to non-target species. Use in areas where infestations are small and isolated will maximize the likelihood of success while minimizing non-target effects.
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