Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Thyris maculata - Spotted Thyris - Hodges#6076

Checklist of the Lepidoptera of Texas. Texas Lep. Survey, Publ. No. 6.
By Ed Knudson & Charles Bordelon
Texas Lepidoptera Survey, 2010

Moths of North Dakota
By Dr. Gerald M. Fauske
North Dakota State University
An online moth identification guide
Moths of North Dakota

New Moths from Mexico
By Harrison G. Dyar
Insecutor Inscitiae Menstruus, 7: 162-164, 1919
Available online here.

Beiträge zur Kentniss der nordamericanischen Nachtfalter besonders der Microlepidopteren
By Philipp Christoph Zeller
Wien: A. Holzhausen, 1872
Available online here.

Additions to the list of North American Lepidoptera. No. 2.
By Harrison G. Dyar
Proceedings of the Entomological Society of Washington 6(2): 103–119., 1904
Available online here.

Biological Evaluation Report for the US 70 Havelock Bypass (R-1015): Environmental Survey - Nocturnal Lepidoptera
By Sullivan, J.B.
North Carolina Department of Transportation, Natural Environment Section, Biological Surveys Group, 2005
Available online here.

Descriptions of new Lepidoptera from Mexico
By Dyar, Harrison G.
Proceedings of the United States National Museum, 51(2139): 1-37, 1916
Available online here.

Contributions to the Natural History of the Lepidoptera of North America
By Barnes, W., & Busck, A.
The Review Press, Decatur, Ill. 4(3): 211-248, 1920
Available online here.