On Wed, 1 Dec 2004 19:14:41 +0100, =?iso-8859-1?q?Herv=E9=20Log=E9?= <
[log in to unmask]> wrote:

>1. What are the stimuli that lead bees to cap larvae
>cells ?

The stimuli seems to be the brood pheromone  -- 10 different esters (methyl and
ethyl) of straight chain acids (palmitate, sterate, linolic, etc, cannot remember all
five).  the esters change in proportions as the larvae age (drones also have a
different signature), so the workers exactly when to cap them.

I donot know the answer  to the RH question.

Zach
http://cyberbee.msu.edu

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