North American Butterflies and Moths List

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The Registry of Nature Habitats

U.S. Geological Survey

Butterflies of North America

Obscure Bolla (Bolla brennus)

Obscure Bolla (Bolla brennus [Godman & Salvin])

Wing span: 7/8 - 1 3/16 inches (2.2 - 3.1 cm).

Identification: Wings are black. Tiny white spots on apex of the forewing upperside are present in females, lacking in males. Underside has scattered orange scales.

Life history: Not reported.

Flight: October in South Texas; beginning in May in Mexico.

Caterpillar hosts: Tomato (Lycopersicon esculentum) in the nightshade family (Solanaceae).

Adult food: Not reported.

Habitat: Subtropical.

Range: Colombia north through Central America to central Mexico. A rare stray to the lower Rio Grande Valley, Texas.

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.


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

Obscure Bolla (Bolla brennus)
distribution map
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