Figure 3 from: Felix R, Wielink P (2011) Calodromius bifasciatus and other Carabidae on 26 oak-trunks in a nature reserve in the Netherlands. ZooKeys 100: 533-544. https://doi.org/10.3897/zookeys.100.1544

Figure 3 - Phenology of Calodromius bifasciatus: relative presence in 29 consecutive months. Relative presence: the number of beetles per month divided by the number of nightly observations during that month (the number of nightly observations varied between 2 and 4 per month).