Figures 19-21 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 19-21 Pupa of Massalongia nakamuratetsui sp. nov. 19 ventral view of head 20 prothoracic spiracle 21 dorsal view of terminal part of abdomen (arrows indicate dorsal spines). Scale bars: 50 µm.