Helesius nigripennis is a species of lady beetle in the family Coccinellidae. It is found in North America, where it has been recorded from Colorado and Montana.
Adults reach a length of about 2.45âÂÂ3 mm. They have a red head and the lateral one-third of the pronotum is red with a faint reddish brown area. The elytron is black or dark brown.