Orthotemnus longitarsus mouthparts, internal structures and hindwing. 23 left mandible 24 right mandible 25 maxilla 26 labium 27 proventriculus 28 metendosternite 29 mesonotum 30 metanotum 31 hindwing: C = Costa Sc = Subcosta Rr = radial recurrent vein R = Radius rcm = margin of radial cell 2rs, 1rs = radial sclerites pst = postradial stripe mst = medial stripe Cu = Cubital A = Anal.

 
 
  Part of: Omar YM, Zhang R, Davis SR (2015) A new species of the genus Orthotemnus Wollaston, 1873 (Coleoptera, Curculionidae, Cossoninae) from China. ZooKeys 472: 103-116. https://doi.org/10.3897/zookeys.472.8033