194 
Psyche 
[Vol. 89 
We gratefully acknowledge Larry Wright (Irrigated Agricultural 
Research and Extension Center, Prosser, WA) for his help and time 
in preparing the scanning electron micrographs of the sting 
apparatus. 
Justin Schmidt, Richard Zack, A1 Greene, and Howard Evans are 
thanked for their reviews of the manuscript. 
Financial support for the research was also provided by a Sigma 
Xi Research Grant and a Washington State University Graduate 
School Travel Grant. 
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