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題名 Use of liquid nitrogen to treat solenopsis invicta (Hymenoptera: Formicidae) nests
作者 Lin, H.-M.;Tseng, Y.-C.;Chen, Chen C.-T.;Lin, C.-C.;Lee, Y.-T.;Chen, Yang-Yuan
陳洋元
貢獻者 應物所
關鍵詞 ant; climate conditions; low temperature; nesting behavior; nitrogen; pesticide; temperature effect
日期 2013-09
上傳時間 26-May-2015 18:01:30 (UTC+8)
摘要 Liquid nitrogen (LN2) injection was used to against the red imported fire ant (Solenopsis invicta Buren) by taking the advantage of rapid killing, no side effects from residuals, and non-dependence on weather conditions of this method. Red imported fire ants workers were placed in glass bottles and treated by sub-zero temperatures for either two or zero minutes after thermo-equilibrium to determine the lethal low temperature. Fire ant nests were then treated by LN2 and the survival of the ants was monitored. Thus-15 °C was shown to cause 100% of mortality of workers at 24 hours post treatment. Large numbers of ant corpses, which included larvae, pupae and queens, were discovered in the nest after LN2 treatment. In a field experiment, 10 nests were treated by LN2, while 9 were left as controls. The number of active nests significantly decreased to just one nest at the 14th day post LN2 application and none was considered to be functional at the 21st day. These results suggest that LN2 freezing is capable of eliminating individual fire ant nests effectively, and that this treatment is useful for areas of high human activity and for agricultural and other areas that have a low tolerance to conventional pesticides.
關聯 Florida Entomologist, 96(3), 871-876
資料類型 article
DOI http://dx.doi.org/10.1653/024.096.0322
dc.contributor 應物所
dc.creator (作者) Lin, H.-M.;Tseng, Y.-C.;Chen, Chen C.-T.;Lin, C.-C.;Lee, Y.-T.;Chen, Yang-Yuan
dc.creator (作者) 陳洋元zh_TW
dc.date (日期) 2013-09
dc.date.accessioned 26-May-2015 18:01:30 (UTC+8)-
dc.date.available 26-May-2015 18:01:30 (UTC+8)-
dc.date.issued (上傳時間) 26-May-2015 18:01:30 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/75306-
dc.description.abstract (摘要) Liquid nitrogen (LN2) injection was used to against the red imported fire ant (Solenopsis invicta Buren) by taking the advantage of rapid killing, no side effects from residuals, and non-dependence on weather conditions of this method. Red imported fire ants workers were placed in glass bottles and treated by sub-zero temperatures for either two or zero minutes after thermo-equilibrium to determine the lethal low temperature. Fire ant nests were then treated by LN2 and the survival of the ants was monitored. Thus-15 °C was shown to cause 100% of mortality of workers at 24 hours post treatment. Large numbers of ant corpses, which included larvae, pupae and queens, were discovered in the nest after LN2 treatment. In a field experiment, 10 nests were treated by LN2, while 9 were left as controls. The number of active nests significantly decreased to just one nest at the 14th day post LN2 application and none was considered to be functional at the 21st day. These results suggest that LN2 freezing is capable of eliminating individual fire ant nests effectively, and that this treatment is useful for areas of high human activity and for agricultural and other areas that have a low tolerance to conventional pesticides.
dc.format.extent 629750 bytes-
dc.format.mimetype application/pdf-
dc.relation (關聯) Florida Entomologist, 96(3), 871-876
dc.subject (關鍵詞) ant; climate conditions; low temperature; nesting behavior; nitrogen; pesticide; temperature effect
dc.title (題名) Use of liquid nitrogen to treat solenopsis invicta (Hymenoptera: Formicidae) nests
dc.type (資料類型) articleen
dc.identifier.doi (DOI) 10.1653/024.096.0322
dc.doi.uri (DOI) http://dx.doi.org/10.1653/024.096.0322