Linnaeus observed that the flowers, remarkably fragrant in the daytime, are almost scentless at night. Differences include its distinct cones, wingless seeds, and its almost scentless foliage. The flower is scentless and pure white, the anthers are bright yellow. Instead, boxelder bugs belong to the family Rhopalidae, the so-called "scentless plant bugs". Grohl also contributed the main guitar riff for "Scentless Apprentice". Arhyssus is a genus of scentless plant bugs in the family Rhopalidae. Niesthrea is a genus of scentless plant bugs in the family Rhopalidae. Rhopalinae is a subfamily of scentless plant bugs in the family Rhopalidae. The only species recognized is Synoum glandulosum, known commonly as scentless rosewood. Arhyssus scutatus is a species of scentless plant bug in the family Rhopalidae. The video for "Scentless Princess" was directed by Joshua Logan and Michael Anthony Gibson. "Scentless Apprentice" was written during a band rehearsal in 1992. This was preceded by their first official single, "Scentless Princess", on March 14, 2016. It is scentless and grows to a height of . In a reader's poll conducted by "Louder Sound" in May 2018, "Scentless Apprentice" placed 23rd.