Large Orange Sulphur
The Large Orange Sulphur is a rare stray from the far southern states. This mainly tropical butterfly has been found only twice in Wisconsin, and has not even been reported in Illinois or Iowa.
Weekly sightings for Large Orange Sulphur
A large sulphur that is orange above and with a diagonal line on the forewing.
The Orange-barred Sulphur is the only other large sulphur that might be confused with this species in Wisconsin, but it is yellow above with orange bars and has a broken line rather than the straight diagonal line of the Large Orange Sulphur.
A strong flier in open areas and woodland edges.
Three or more broods in the far south, but because their host plants do not grow here it is not likely to reproduce in Wisconsin.
An extremely rare stray to Wisconsin.