The Western Pygmy-Blue Butterfly is typically 0.4 inches to 0.7 inches (12mm to 20mm) in size and has the following descriptors / identifiers: brown wings; blue body; black dots under wing; small; fast; brown with white spots; tiny; flying.
Territorial Area Map (Visual Reference Guide)
The map below showcases (in blue) the states and territories of North America where the Western Pygmy-Blue Butterfly may be found (but is not limited to). This sort of data can be useful in seeing concentrations of a particular species over the continent as well as revealing possible migratory patterns over a species' given lifespan. Some species are naturally confined by environment, weather, mating habits, food resources and the like while others see widespread expansion across most, or all, of North America.