Sir Francis Drake once captured a ship which was overrun with millions of roaches. Maybe not as a main dish, but they have been used in sauces, condiments and as appetizers. Don't complain next time you have to swallow cough syrup. Processed cockroaches have been used to cure illnesses and physical disorders for centuries. They are said to make a dandy diuretic.
Some people eat cockroaches fried in oil and garlic as a cure for indigestion.
If you're ever stung by a sting ray, remember to mash up a mess of cockroaches to apply as a poultice to the wound. The cockroach was once a guest of honor in European homes, and it was customary to release them in new dwellings. Some people develop allergies to cockroaches, including skin rashes and respiratory problems, such as a condition similar to asthma. Cockroaches are thought to have originated during the Carboniferous era, which ended 280 million years ago. They have been abundant ever since and are some of the most primitive winged insects.