Figure 1 from: Verheyde F, Sioen G (2019) Outbreaks of Tomostethus nigritus (Fabricius, 1804) (Hymenoptera, Tenthredinidae) on Fraxinus angustifolia 'Raywood' in Belgium. Journal of Hymenoptera Research 72: 67-81. https://doi.org/10.3897/jhr.72.38284

Figure 1 Tomostethus nigritus F. ♂, leg. Janet Graham, North Wales, V. 2018 Janet Graham.