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 nakamuratetsui sp. nov. 14 terminal part of female abdomen (arrow indicate the dorsal sclerite on the protrusible portion) 15 protrusible portion of ovipositor 16 male terminalia 17 ventral view of gonostylus 18 ventral view of male hypoproct. 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