Special Segments Butterflies of North America Conifers of North America Eastern Birds List of N.A. Insects Home Eastern Wildflowers

General Topics Natural History Ecology Family Environment Evolution Home Education Home Conservation Geophysics Paleontology Organizations

No Photographs Available

Chisos Metalmark (Apodemia chisosensis H.A. Freeman)

Wing span: 1 1/16 - 1 1/4 inches (2.7 - 3.2 cm).

Identification: Similar to Nais Metalmark, but underside of hindwing has complete submarginal row of distinct black spots and arrowhead-like dashes.

Life history: Not reported.

Flight: May to August (2 flights).

Caterpillar hosts: Havard's Plum (Prunus havardii).

Adult food: Flower nectar.

Habitat: Slopes and ridges in Chihuahuan woodland.

Range: Known openly from a few localities in west Texas including Chisos Mountains in Big Bend National Park.

Conservation: Population in Big Bend National Park (subspecies chisosensis) should be monitored and conserved. Surveys for other populations in west Texas and neighboring Mexico are recommended.

The Nature Conservancy Global Rank: G1 - critically imperiled because of extreme rarity (5 or fewer occurrences, or very few remaining individuals).