In the Mirage continuity, the Balponagu is an insect species. It is seen in the Battle Nexus, although it is unknown if that is the species' natural habitat.
Jorut fires one at Leonardo through a blowgun shortly after the latter arrives in the Battle Nexus. Leonardo then finds that he his able to understand and converse with Jorut after being stuck by the Balponagu. Jorut explains that the Balponagu transmits a virus upon stinging a target, which allows the victim to speak and understand any language in the multiverse. Its effects, depending on the species of the target, can last anywhere from several years to a lifetime.