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 rubra. 52 male terminalia (after Kieffer 1913b) 53 spatula 54 dorsal view of larval terminal abdominal segments (a the inner four terminal papillae are folded on the segment b the inner four terminal papillae are unfolded in another specimen). 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