02: Details selected butterfly species

Observations of Ritariperhonen, Keisarinviita, Suruvaippa, Haapaperhonen. These species were monitored quantitatively
per day. The graphs show total observations by year (panels at the left) and their occurrence during the season (panels at the right).

P_machaon_years_2019
Figure 1. Most Ritariperhonen observations were caterpillers. Adults are only rarely observed.
P_machaon_days_2019
Figure 2. The species is observed most often at
the end of July.

A_paphia_years_2019
Figure 3. Keisarinviitta was observed only since 2011. In 2017 it was absent for one year.
A_paphia_days_2019
Figure 4. The species is observed during July.

N_antiopa_years_2019
Figure 5. Suruvaippa is observed irregular,
probably because of the timing of my holidays.
N_antiopa_days_2019
Figure 6. We observe suruvaippa at the end of
July and beginning of August.

L_populi_years_2019
Figure 7. Generally, only a few individuals are observed during summer, and not in all years.
L_populi_days_2019
Figure 8. Haapaperhonen is observed mainly in
the first half of July.