“…Some authors go further, like Remboski et al (2018), with the use of digital image processing and machine learning techniques for identification of fruit flies, or like Suetsugu & Hayamizu (2014) with the use of interval photography with a digital camera to show moth visitors of the Platanthera orchids. In Croatia there have also been some improvements, at least in using digital photography in butterfly research; Koren & Letić (2014) conducted the first photographic survey of butterfly diversity in Croatia, based on identification from the photographs, while recent studies mostly use photographs in addition to other methods Fištrek, 2018).…”