Figure 3 from: Houghton DC, DeWalt RE, Pytel AJ, Brandin CM, Rogers SE, Ruiter DE, Bright E, Hudson PL, Armitage BJ (2018) Updated checklist of the Michigan (USA) caddisflies, with regional and habitat affinities. ZooKeys 730: 57-74. https://doi.org/10.3897/zookeys.730.21776

Figure 3 The number of total and unique species from Michigan habitat types (A) and caddisfly regions (Houghton 2015) (B).