Read MoreA “hell ant” some 99 million years ago used its scythe-like jaws to trap a baby roach for its next meal — but then the pair got stuck in sap and were preserved for scientists to discover centuries later.A “hell ant” some 99 million years ago used its scythe-like jaws to trap a baby roach for its next meal — but then the pair got stuck in sap and were preserved for scientists to discover centuries later.