Illinois records
Mudsnake in Illinois
HarmlessFarancia abacura

Yes. The Mudsnake has been recorded in 5 Illinois counties. It is non-venomous (harmless). Glossy, smooth body — mud snakes are black with red bars; rainbow snakes have red stripes.
Illinois counties with Mudsnake records
5 listedSee the full Mudsnake profile or all snakes in Illinois.