What bug is Black with No antenna and is not a roach?

A black bug without antennae that is not a cockroach could be a variety of insects, but one common possibility is a beetle, such as a darkling beetle or a ground beetle. These insects can often appear black and may not have prominent antennae. Another possibility is a type of black fly or certain species of aphids that may have reduced or absent antennae. Proper identification often requires close inspection or further details about the bug's size and shape.