Figure 2 from: Song C, Wang X, Bu W, Qi X (2020) Morphology lies: a case-in-point with a new non-biting midge species from Oriental China (Diptera, Chironomidae). ZooKeys 909: 67-77. https://doi.org/10.3897/zookeys.909.39347

Figure 2 Kiefferulus trigonum sp. nov. male A wing B hypopygium in dorsal view C anal point and base of superior volsella D projection of superior volsella.