Mottled Bolla (Bolla clytius [Godman & Salvin])
Wing span: 7/8 - 1 1/8 inches (2.2 - 2.9 cm).
Identification: Upperside is brown-black with dark mottling; forewing has tiny transparent white spots at the apex.
Life history: Not reported.
Flight: June and October-November in South Texas; March-November in Mexico.
Caterpillar hosts: Not reported.
Adult food: Not reported.
Habitat: Canals in subtropical woods.
Range: Honduras north to northern Mexico. A periodic stray to central and South Texas and southern Arizona.
Conservation: Not necessary for rare tropical 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
State and Regional References:
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.