Diomus terminatus is a species of lady beetle in the family Coccinellidae.

It is found in throughout eastern North America.

[1][2][3][4] It is brown and oval-shaped, with a reddish tinge at the back portion of its elytra, and about 1.5 to 2 mm.

It is covered in gold-colored setae, giving it a slightly hairy appearance.

Its prey likely includes aphids, scale, and mealybugs.