A male Papilio machaon standing on a dry flower with its wings fully extended. This butterfly, although yellowish, contrary to the two previous, belongs to the Papilionidae family; commonly known as 'swallowtails' by its hindwings' posterior tail-like expansions. Source: Wikimedia Commons Author: Zeynel Cebeci CC BY-SA 3.0

3️⃣ Papilio machaon - Its unique wing pattern and its variability has obsessed lepidopterologists for decades. 🕵🏻‍♂️

As a result, uncountable #varieties, #aberrations and #subespecies have been described 📝. However, current knowledge points at reducing this. doi.org/10.3390/inse...