>For treatment, they then apply antimicrobial compounds and proteins to the infected wounds. They take these antibiotics from the metapleural gland, which is located on the side of their thorax. Its secretion contains 112 components, half of which have an antimicrobial or wound-healing effect

I was curious about this metapleural gland and found this article on its uses: https://pubmed.ncbi.nlm.nih.gov/21504532/#:~:text=The%20meta....