Revision of the birch-associated genus Massalongia (Diptera, Cecidomyiidae), with description of a new species from Japan and a taxonomic key to worldwide species


	Massalongia bachmaieri. 30–31 terminal part of female abdomen (arrow in Fig. 31 indicate the dorsal sclerite on the protrusible portion) 32 protrusible portion of ovipositor. 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