is extremely difficult, if not impossible, to differentiate Nickerl's
Fritillaries from Assmann's Fritillaroies without capturing specimens,
dissecting them and examining the reproductive organs.
Not wishing to do this, I have therefore dedicated this one page
to both species.
|Near Ogulin, Croatia. 350-400m asl. 05.07.2022. Aurelia or Britomartis? |
di Sopra, Friuli, Italy, at about 1000m asl. 27.06.2021. The high
altitude points to Nickerl's Fritillary rather than Assmann's Fr, which
usually flies at lower levels.|
|The field near Forni di Sopra, Friuli, Italy, where I saw these butterflies
|Forni di Sopra, Friuli, Italy. at about 1000m asl. 27.06.2021.