Judging from your picture, this bug is the larva of midges. The larvae of midges are not cute, they are common indoor pests, belonging to a kind of moths, which are harmless to people. The larvae of midges have obvious characteristics and are easy to identify. Larvae is 9- 10 mm long, cylindrical, with a bulging back, a flat abdomen and a broad chest, and the post-larva gradually becomes thinner. All are reddish brown, and the internodes and abdomen are lighter in color. They all have brown slender hair, and there is a tuft of yellow-brown fine hair at the end of the abdomen, which is similar to the body length.

Carnivorous larvae are omnivorous and harmful, and often cause serious damage to stored goods.