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Checklist of the Coleopterous insects of Mexico, Central America, the West Indies, and South America.
By Ricard E. Blackwelder
Bulletin of the U.S. National Museum 185(parts 1-6): xii-1492., 1944
ISBN: 0-87474-244-7
Cite: 120144 with citation markup [cite:120144]
Best source beetle distribution information south of the border...

Blackwelder, R.E. 1944-1957. Checklist of the coleopterous insects of Mexico, Central America, the West Indies, and South America. Bulletin of the U.S. National Museum 185(parts 1-6): xii-1492.

available online
The whole thing is available here as both page scans and a PDF:
http://www.archive.org/details/bulletinunitedst1851619441957unit

Seems
that this belongs with the other beetle books?