Figures 4-11 from: 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

Figures 4-11 Massalongia nakamuratetsui sp. nov. 4 head 5 ventral view of mouthparts 6 female antenna 7 male antenna 8 dorsal view of female flagellomere V. 9 dorsal view of male flagellomere V. 10 wing 11 tarsomere V and acromere. Scale bars: 50 µm.