Video link below. In these dark pandemic days, a lighthearted look at the evolution of entomological taxonomy. They could be representative of the first lepidopterists (considering that said subject is a caterpillar) if not the first entomologists. Note that they use what is probably one of the earliest scientific methods - if unsure about something then poke at it. This was probably followed in evolution by the development of the stick (once a few hands or fingers were bitten off or otherwise singed by the test subject :) John Grehan https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.youtube.com/watch%3Fv%3DzdG9tOi-B0Q&ved=2ahUKEwi1t7ikyajrAhWxSjABHZWbDJQ4FBCjtAEwBHoECAAQAQ&usg=AOvVaw3iUa4OvC2Qi3kQ9Dt8n4vk