Ah, ah, ah, ah There are many such little beetles in the dormitory that can fly. Please tell me what this bug is, how it appeared and how to get rid of it.

Bruceae; Bean elephant; Brushid; Seed beetle Coleoptera Coleoptera Coleoptera Coleoptera Coleoptera Coleoptera Coleoptera Coleoptera Coleoptera Coleoptera Coleoptera Coleoptera Coleoptera. About 1000 species, distributed all over the world. There are more than 40 species in China. The body and eggs are round, small and medium-sized, and a few species are larger. The compound eye is very big, and the front edge is strongly depressed. The antenna is 1 1 node, and it is serrated and comb-toothed. Coleoptera's hair is white and brown, usually striped, and its end is truncated. Larvae is metamorphosis, with considerable growth at the age of 1 year, and teeth on the chest plate. After molting once, some or all of the feet disappear, forming worm larvae with low activity.