PMID: 11332847May 3, 2001Paper

Acceptance and intake of gel and liquid sucrose compositions by the Argentine ant (Hymenoptera: Formicidae)

Journal of Economic Entomology
J Silverman, T H Roulston

Abstract

Liquids and gels are common delivery forms used in commercial ant baits, but the relative effectiveness of each is unknown. We compared the feeding responses of the Argentine ant, Linepithema humile (Mayr), to liquid and gel compositions of sucrose. In choice assays, more workers were counted on gel than liquid; however, substantially more liquid was consumed. Because workers could stand on the gel, more workers could feed simultaneously on the gel. The feeding bouts of individual workers, however, were much less efficient at extracting sucrose in gel form. Workers fed eightfold longer on the gel, yet removed fivefold less sucrose than workers feeding on liquid. This potential bias should be considered during attraction and palatability studies that use physically different bait compositions. When the toxicant fipronil was added to the compositions, a greater proportion of the colony died after workers had fed on liquid than gel baits. This finding suggests that liquid formulations may provide more effective control of Argentine ants due to the greater speed and abundance in which it is ingested.

References

May 17, 2000·Proceedings of the National Academy of Sciences of the United States of America·N D TsutsuiT J Case

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Citations

Sep 20, 2007·Annual Review of Entomology·Jules Silverman, Robert John Brightwell
May 24, 2014·SpringerPlus·Roxana JosensAlina Giacometti
Feb 26, 2016·Journal of Economic Entomology·Kevin F Welzel, Dong-Hwan Choe
Nov 6, 2014·Journal of Insect Science·Casper Nyamukondiwa, Pia Addison
Feb 21, 2008·Environmental Entomology·Erik H Nelson, Kent M Daane
Nov 11, 2010·Journal of Economic Entomology·R J BrightwellJ Silverman
May 26, 2018·Environmental Science and Pollution Research International·Yuting HuangYijuan Xu

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