In 2151, Ulis offered his cousin Krem his beetle snuff collection in exchange for his freedom. Krem declined, noting that it made him sneeze. (ENT: "Acquisition") In 2373 Grand Nagus Zek invested a considerable amount of Ferengi wealth into a new strain of beetle that he believed would revolutionize the beetle snuff market. (DS9: "Rules of Acquisition", "Prophet Motive", "Ferengi Love Songs") During Zek's captivity in the mirror universe in 2375, he introduced Regent Worf to beetle snuff, which he took a liking to. (DS9: "The Emperor's New Cloak")