“I found two black flatworms”, states this reader about the creature pictured below, which indeed has a glossy black body, with a light gray/white underside. “I already am infested with the hammerhead worms, now what is this worm?”

“Does spreading Diatomaceous Earth protect from the flathead worms?” asks this reader in her submission. She provides no further context, or photos, but we will do our best to help her in any way that we can.