NABA South Texas Home Page

Top 10 States or Regions of the U.S. 
with the Greatest Number of Butterfly Species Recorded within their Borders



#Spp.State or Region
719 North America (north of Mexico)

430

Texas
326 Arizona
318 New Mexico
300 Lower Rio Grande Valley: Cameron, Hidalgo & Starr Counties
266 Colorado
250 California
215 Utah
210 Wyoming
207 Nevada
197 Nebraska
187 Montana

Data compiled from:

Atlas of western USA butterflies, including adjacent parts of Canada and Mexico.
Ray E. Stanford and Paul A. Opler. 1993.  
Published by authors. Denver, Colorado. 275 pp.


Butterfly Diversity Across Northern Mexico
 --- West to East ---

State: Baja California Sonora Chihuahua Coahuila Nuevo Leon Tamaulipas
# Known 159 344 202 143 307 582
Projected ? 406 311 315 400 ?
State: Baja Ca. Sur Sinaloa Durango Zacatecas San Luis Potosi Veracruz*
# Known 121 442 251 65! 656 1,111
Projected 137 495 319 ? ?? ???

*While Veracruz is directly south of Tamaulipas, it can not rightly be considered a part of northern Mexico.

Please consult Andy Warren for diversity estimates of central and southern Mexican states.

Data from:

Luis, A.M., J.B. Llorente, I.F. Vargas & A.D. Warren. 2003. Biodiversity and biogeography of Mexican butterflies (Lepidoptera: Papilionoidea and Hesperioidea). Proceedings of the Entomological Society of Washington 105(1):209-224.

Ray E. Stanford. 2000. Butterflies of Northern Mexico. Fort Collins, CO. photocopy.

Maps of Mexico


15 Dec 2004 / Main South Texas Page