>but there is only one
> confirmed case in which a social signal includes airborne sound that is
> detected and
> evaluated by receivers: the forager recruitment dances in Apis spp.
> honeybees
>
Why do they not include the case of queen piping? Substrate vibration is
likely *less* important than in recruitment because the queens may be on
separate combs (or in a case more commonly observed by beekeepers in
separate bars in a queen bank). I do not think I am the only beekeeper to
get the impression that piping causes other queens to respond (I have heard
it describe as challenging other queens). If it is not an airborne social
signal what is the purpose of piping?
Stan
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