Genus Liposcelis is a group of small, pale, wingless insects commonly known as booklice or psocids. These insects are considered pests as they feed on starch and mold found in books, papers, and other organic materials. There are several synonyms for the genus Liposcelis, including Liposcelis bostrychophilus, Liposcelis entomophilus, and Liposcelis pearmani. These synonyms have been used to describe different species within the genus, but recent studies have shown that the variations observed are more likely due to genetic differences within geographic regions. The study of Liposcelis and its synonyms is important for understanding the evolution and ecology of these pests, and finding more effective control measures to prevent damage to our valuable possessions.