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Butterflies of Arizona -- Celaenorrhinus fritzgaertneri

North American Butterflies and Moths List

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Butterflies of North America

Butterflies of Arizona

Fritzgaertner's Flat (Celaenorrhinus fritzgaertneri)
JPG -- species photo

Fritzgaertner's Flat (Celaenorrhinus fritzgaertneri [Bailey])

Wing span: 1 5/8 - 1 15/16 inches (4.2 - 5 cm).

Identification: Upperside is brown; forewing has a white band. Underside of hindwing is mottled. Fringes are checkered.

Life history: Adults fly at dusk and sometimes at dawn. They rest in caves, under highway bridges, and under ledges and leaves during the day.

Flight: February-September in South Texas; through October in Mexico.

Caterpillar hosts: Not reported.

Adult food: Flower nectar including that of papaya.

Habitat: Subtropical.

Range: Costa Rica north through Mexico. A periodic stray to South Texas and rarely to southern Arizona.

Conservation: Not necessary for a rare stray.

The Nature Conservancy Global Rank: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.

Management needs: None reported.

References:

Opler, P. A. and V. Malikul. 1992. A field guide to eastern butterflies. Peterson 
     field guide #4. Houghton-Mifflin Co., Boston. 396 pages, 48 color plates.

Scott, J. A. 1986. The butterflies of North America. Stanford University Press, 
     Stanford, Calif. 583 pages, 64 color plates.

Author: Jane M. Struttmann

State and Regional References:

Bailowitz, R. A. and J. P. Brock. 1991. Butterflies of Southeastern Arizona. 
     Tucson, Ariz.: Sonoran Arthropod Studies, Inc.

Garth, J.S. 1950. Butterflies of Grand Canyon National Park. Grand Canyon 
     Natural History Association, Grand Canyon, Ariz.

Opler, Paul A. 1999. Peterson Field Guide to Western Butterflies, revised 
     edition. Houghton Mifflin Co., Boston, Mass.

Stanford, R.E. and P.A. Opler. 1993. Atlas of Western USA Butterflies. 
     Privately published, Denver, Colo.

Tilden, J.W. and A.C. Smith. 1986. A Field Guide to Western Butterflies. 
     Houghton Mifflin Co., Boston, Mass.
Fritzgaertner's Flat (Celaenorrhinus fritzgaertneri)
distribution map
map legend

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