Esad Cancar wrote:

>  If you found any suitable, please, send me drawing or picture or web
> address. All inovation is wellcome.
> Best regards!
> Esad
> Bosnia & Herzegowina

There are three photos at
http://www.fao.org/docrep/w0076e/w0076e10.htm
(near the bottom of the page).
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John F. Edwards
Biological Lab. Technician
Carl Hayden Bee Research Center
Tucson, Arizona 85719