Hello there, I'm an expert in the field of entomology, the study of insects. Let's delve into the fascinating world of butterflies and their biological processes.

Butterflies, like all living creatures, have a need to excrete waste. However, the way they do this is quite different from mammals. Butterflies have an excretory system that is designed to remove nitrogenous waste in the form of uric acid. This waste is expelled through a pair of structures called malpighian tubules, which are attached to the digestive system.

When a butterfly is feeding on nectar or water, it absorbs nutrients through its proboscis and the nutrients are processed through its digestive system. The excess water and waste products are then eliminated through the abdomen. This process is not like "peeing" as we understand it in humans or other mammals. Instead, it's more of a passive excretion that can occur when the butterfly is perched and not necessarily directed at anything or anyone.

So, to answer your question directly: Butterflies do not "pee" in the traditional sense, and they certainly do not intentionally pee on people. However, if you are very close to a butterfly and it happens to be expelling waste, it's theoretically possible that you might come into contact with these waste materials, but it's not something butterflies do deliberately.

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Adult butterflies do not urinate or defecate (or "go to the bathroom"). The larval life stage - the caterpillar - does all of the eating, and caterpillars almost continually defecate. Interestingly, when there enough caterpillars eating in the same place, their defecation is audible. That is, you can hear the poop!read more >>