Intertaxon relationships
Chlorophorus annularis (Fabricius, 1787) - Bamboo Longhorn Beetle 
Heterobostrychus aequalis (C. O. Waterhouse, 1884) - Lesser Auger Beetle
Heterobostrychus unicornis (Waterhouse, 1879)
Stromatium barbatum (Fabricius, 1775) - Kulsi Teak Borer