If you want sources of fluorescent powders, yes these are listed in Kearns
and Inouye, Techniques for Pollination Biologists.  University Press of
Colorado.  If you need more information, contact me.
 
 
 
Dr. David W. Inouye
Dept. of Zoology, University of Maryland, College Park, MD 20742
E-mail: [log in to unmask]
Phone:  301-405-6946
FAX: 301-314-9358