> ReallY?  Where?   That’s an insane number of colonies......Seelys work is a lot lower and all the areas I know of 3-5 is much closer to reality.  100 per square mile????

I don't know if you have followed the discussion, but 100 per square mile would not be an uncommon concentration for commercial beekeeping. Probably much higher in productive areas, or in pollination scenarios. The use of the term insane is not really helpful, by the way. There is ample evidence that density can go this high for feral colonies, too, given the right conditions. Oldroyd, again:

> In this 3-year study we examined the demography of the feral bee population in the riparian woodland of Wyperfeld National Park in north-west Victoria. The population is very large but varied considerably in size (50–150 colonies/km2) during the study period (1992–1995). 

Oldroyd, B. P., et al. "Population demography of Australian feral bees (Apis mellifera)." Oecologia 111.3 (1997): 381-387.

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