This article is the first in a series The Conversation Africa is running on invasive species.
Let's say you're travelling from Uganda to South Africa for business. You finally arrive at your hotel after a long day and decide to change before dinner. You unlock and unzip your luggage, but there's something in your bag that you didn't pack. As you reach for a clean shirt, a moth flies out. Did that come with you all the way from Uganda? It'll be fine, right? Surely, something so small won't cause any harm.
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