Class Arachnida in Ohio
There are many arachnids in Ohio that aren’t actually spiders. Perhaps the most often confused with spiders are the harvestmen (AKA daddy-long-legs). Others include the mites and ticks, pseudoscorpions and one rare scorpion.
Acari (mites and ticks)
Opiliones (harvestmen; AKA daddylonglegs)
Scorpionida (scorpions) yes we have one