Life … Animals Arthropods Insects Bark Lice, Book Lice, and Parasitic Lice Damp Barklice Elipsocinae Palistreptus genus Palistreptus Palistreptus Children Palistreptus nigriceps native Most observed native Palistreptus All Native to the US, by observations. Palistreptus nigriceps 1 observations Close