Contents: ,Foreword. Preface. Acknowledgement. Introduction. Systematic account. Genus: 1. Hylesinus Fabricius. 2. Ficicis Lea. 3. Dectylipalpus Chapuis. 4. Xylechinus Chapuis. 5. Hylurgus Latreille. 6. Tomicus Latreille. 7. Hyorrhynchus Blandford. 8. Sueus Marayama. 9. Diamerus Erichson. 10. Sphaerotrypes Blandford. 11. Phloeoditica Schedl. 12. Phloeocranus Schedl. 13. Phloeosinus Chuapuis. 14. Hyledius Sampson. 15. Liparthrum Wollaston. 16. Polygraphus Erichson. 17. Carphoborus Eichhoff. 18. Bothinodroctonus Schedl. 19. Scolytus Geoffroy etc index appendix