dot distribution maps

Mike Quinn entomike at
Thu Feb 5 21:52:24 EST 2009

Here's a somewhat labor intensive map:

Dr. John Abbott at UT figured out how to do pretty much the same thing but

*Aeshna persephone* (Persephone's Darner)

But perhaps your are looking for something of the ink-on-paper variety...

Mike Quinn, Austin
Texas Entomology

On Thu, Feb 5, 2009 at 11:46 AM, Richard Worth <rworth at>wrote:

> Hi all,
> I was wondering what software people use to make all those really clean
> dot-distribution maps I see in publications (e.g. the MONA series)?  It
> looks like you can select exactly the geographic region of interest anywhere
> in the world on the base map and then apply the data. Looks like you can
> also choose political boundaries, rivers, etc. How is the data applied? Does
> the software exist for Mac OS  We have GIS capability here but it takes a
> long time to become proficient and many of the map layers are not needed.
> TIA for any help and best regards,  Richard
> Richard Worth
> Entomologist / Lepidopterist
> Plant Division
> Oregon Dept. of Agriculture
> 635 Capitol St. NE
> Salem, OR  97301
> 503-986-6461
> 503-871-7108: cell
> rworth at
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