Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lyctus brunneus is a species of beetle in the family Bostrichidae, with a worldwide distribution, being present in tropical Africa, Oceania, the Palearctic (including Europe), the Nearctic, the Neotropics, North Africa and East Asia. It is absent from the Near East. In Europe, it is found in Austria, the Azores Islands, Belgium, the British Isles, the Canary Islands, Cyprus, the Czech Republic, mainland Denmark, Finland, mainland France, Germany, mainland Greece, the Republic of Ireland, mainland Italy, Malta, mainland Norway, Poland, mainland Portugal, northern Russia, Sardinia, Slovakia, mainland Spain, Sweden, Switzerland and the Netherlands.In the UK it is known as the Powder Post beetle, due to leaving a pile of powder when boring into wood.