Massalongia bachmaieri. 25 ventral view of mouthparts 26 ventral view of female flagellomere V. 27 ventral view of male flagellomere III 28 wing 29 tarsomere V and acromere. Scale bars: 50 µm.

 
 
  Part of: Elsayed AK, Skuhravá M, Ohta K, Yoshida S, Tokuda M (2020) Revision of the birch-associated genus Massalongia (Diptera, Cecidomyiidae), with description of a new species from Japan and a taxonomic key to worldwide species. ZooKeys 958: 1-27. https://doi.org/10.3897/zookeys.958.54300