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J Econ Entomol


Title:Argentine ant (Hymenoptera: Formicidae) trail pheromone enhances consumption of liquid sucrose solution
Author(s):Greenberg L; Klotz JH;
Address:"Department of Entomology, University of California, Riverside, CA 92521, USA"
Journal Title:J Econ Entomol
Year:2000
Volume:93
Issue:1
Page Number:119 - 122
DOI: 10.1603/0022-0493-93.1.119
ISSN/ISBN:0022-0493 (Print) 0022-0493 (Linking)
Abstract:"We investigated whether the Argentine ant, Linepithema humile (Mayr), trail pheromone, Z9-16:Ald, could enhance recruitment to and consumption of liquid sucrose solutions. All tests were done as paired comparisons with a 10% sucrose solution as food. In the laboratory, mixing 20 microl of a 10-microg/ml solution of the pheromone with 50 microl of the 10% sucrose solution increased the number of ants feeding by >150%. In a field test, we combined the trail pheromone with a 10% sucrose solution in 50-ml vials. These vials were covered with a plastic membrane that has 1.5-mm-diameter holes punched uniformly across its surface. Ants could drink from the holes after the vials were inverted. For half of the vials, 1 microg of the pheromone was put onto the plastic membrane before the vials were filled with a 10% sucrose solution. The remaining vials had no pheromone on the plastic membrane. After 4 h we measured the consumption in each vial. Bait consumption with the pheromone was enhanced by 29%. In a 2nd series of tests, vials were left outside for 24 h. The consumption rate was 33% higher with the pheromone compared with the controls that didn't have pheromone"
Keywords:Animals Ants/*physiology Eating *Pheromones Solutions *Sucrose;
Notes:"MedlineGreenberg, L Klotz, J H eng Research Support, Non-U.S. Gov't England 2003/12/09 J Econ Entomol. 2000 Feb; 93(1):119-22. doi: 10.1603/0022-0493-93.1.119"

 
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