''Anthocharis thoosa'', the southwestern orangetip, is a
butterfly
Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossi ...
which has a range mainly from the American
Rocky Mountains
The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in great-circle distance, straight-line distance from the northernmost part of Western Can ...
down into
Mexico
Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
. It is a member of the ''Anthocharis sara'' complex.
References
Anthocharis
Butterflies of North America
Taxa named by Samuel Hubbard Scudder
Lepidoptera of the United States
Lepidoptera of Mexico
Butterflies described in 1878
{{Pieridae-stub