The Four-spot Sap Beetle is typically 0.2 inches to 0.4 inches (6mm to 11mm) in size and has the following descriptors / identifiers: four red dots; round; black; shiny; small; flying; garden pest.
Territorial Area Map (Visual Reference Guide)
The map below showcases (in blue) the states and territories of North America where the Four-spot Sap Beetle 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.