arachnid

Which particular species of land invertebrates particularly insects and arachnids are common or prevalent in zoo collections? I've looked everywhere possible and cannot find any sources that mention any besides a post here mentioning that Madagascar hissing cockroaches were kept at Chimelong...

Grammostola rosea. Location: Invertebrate House.

I found this guy in my dad’s backyard in Turkey, specifically the European side of Istanbul.