one possible explanation for "washboarding" behavior could be the
scraping of
resins, natural or synthetic, from surfaces such as painted hive surfaces
for use
in propolizing other parts of the hive...the only evidence for this
interpretation i have seen is anecdotal, such as a.nachbaur's
coincidental observation in a recent post
(re:upward ventilation):
"... they will glue it up with plant rosins when available. Some areas
don't have any so road tar, grafting wax, any product with lin seed oil
such as paints or sealers and even beeswax from exposed combs or
foundations will do in a pinch."
the other behavior you describe sounds like some form of scent release
from the
nasonov (top abdominal tip) gland usually associated with orientation
functions,
such as nest entrance marking.
 
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