a big and beautiful Blaberus giganteus seen in Costa Rica. I removed it from someone else’s cabin, and it posed nicely on a palm (after prickling me with its leg spines), then fluttered off into the jungle
I was never told the scientific name, so I just called them bar-of-soap roaches whenever the topic came up. It's amazing how much street cred (field station cred?) you can get with a bunch of newbie students when you calmly pick one up & carry it out of the dining hall