Bugs Inside Mimosa Seed Pods?
I just encountered the same problem and I live in MD too. Almost every seed had this hard shelled bug burrow out of it, in a sealed container! Blew my mind. I hurried up and soaked them in hot water so I can germinate whats left.
Bugs Inside Mimosa Seed Pods?
Heres a website to help you, they ironically are called mimosa seed beetles and are a pest. Good luck https://scielo.conicyt.cl/scielo.php?pid=S0716-97602007000400002&script=sci_arttext