Use of liquid nitrogen to treat solenopsis invicta (Hymenoptera: Formicidae) nests

Hui Min Lin, Yu Chin Tseng, Chih Ting Chen, Chung Chi Lin, Yuan Tseh Lee, Yang Yuan Chen

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)871-876
Number of pages6
JournalFlorida Entomologist
Volume96
Issue number3
DOIs
Publication statusPublished - 2013 Sep 1

Fingerprint

Solenopsis invicta
ant
nest
Formicidae
Hymenoptera
nests
ant nests
fire ants
liquid
liquids
nitrogen
queen insects
bottles
pupae
glass
freezing
temperature
pesticides
weather
adverse effects

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

Cite this

Lin, Hui Min ; Tseng, Yu Chin ; Chen, Chih Ting ; Lin, Chung Chi ; Lee, Yuan Tseh ; Chen, Yang Yuan. / Use of liquid nitrogen to treat solenopsis invicta (Hymenoptera : Formicidae) nests. In: Florida Entomologist. 2013 ; Vol. 96, No. 3. pp. 871-876.
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Use of liquid nitrogen to treat solenopsis invicta (Hymenoptera : Formicidae) nests. / Lin, Hui Min; Tseng, Yu Chin; Chen, Chih Ting; Lin, Chung Chi; Lee, Yuan Tseh; Chen, Yang Yuan.

In: Florida Entomologist, Vol. 96, No. 3, 01.09.2013, p. 871-876.

Research output: Contribution to journalArticle

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