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Pan trapping soybean aphids (Hemiptera: Aphididae) using attractants.
Nicholas S Behrens1, Junwei Zhu, Joel R Coats
1Department of Entomology, Iowa State University, Ames, IA 50011, USA.
Journal of Economic Entomology
|July 21, 2012
Summary
Baited pan traps were tested to attract soybean aphids (Aphis glycines). Neither plant volatiles nor sex pheromones significantly increased aphid capture in soybean fields.
Area of Science:
- Agricultural Entomology
- Pest Management
Background:
- Soybean aphid (Aphis glycines) is a significant pest of soybean (Glycine max) in the United States.
- High populations of soybean aphid were observed in Iowa during 2008 and 2009.
- Soybean aphids can detect host plant volatiles and sex pheromones.
Purpose of the Study:
- To evaluate the efficacy of baited pan traps as a method for attracting and monitoring soybean aphid populations.
- To determine if lures containing plant volatiles and/or sex pheromones enhance soybean aphid capture in pan traps.
Main Methods:
- Yellow pan traps were deployed in soybean fields.
- Traps were baited with either plant volatiles and sex pheromones (2008) or sex pheromones only (2009).
- Aphid counts and plant counts were conducted weekly to assess trap effectiveness.
Main Results:
- Soybean aphids were collected in pan traps during both study years.
- There was no significant difference in the number of soybean aphids captured between traps with different lures or control groups.
- The tested chemical lures did not prove more attractive to spring migrant soybean aphids.
Conclusions:
- Baited pan traps using plant volatiles and sex pheromones were not effective in significantly increasing soybean aphid capture.
- Further research may be needed to identify more effective attractants for soybean aphid monitoring or control.
