References

References:

National Butterfly Center. (2018). "Inside the National Butterfly Center." Retrieved from: https://www.nationalbutterflycenter.org/

Primary Source References:

(2004). The Rio Grande Valley 2004 Birding & Butterfly Guide. McAllen, Texas: RGV Guidebooks.

(2005). The Rio Grande Valley 2005 Birding & Butterfly Guide. McAllen, Texas: RGV Guidebooks.

(2007). The Rio Grande Valley 2007 Birding & Butterfly Guide. McAllen, Texas: RGV Guidebooks.

(2001). 2001 Birding & Butterfly Guide. McAllen, Texas: RGV Guidebooks.

(2000). 2000 Birding & Butterfly Guide. McAllen, Texas: RGV Guidebooks.

(2007). The Rio Grande Valley 2007 Birding & Butterfly Guide. McAllen, Texas: RGV Guidebooks.

Roger Conatser Collection; photograph of a butterfly, ca. 1980-1989. BLIBR0018, Box, Folder, Photograph of a Butterfly, ca. 1980-1989. University Library, Special Collections & University Archives, University of Texas Rio Grande Valley, Brownsville, Texas.