A drawing illustrating how the sting shaft coils within the velvet-ant metasoma B dissection showing the large venom reservoir (top) and smaller tubular Dufour’s gland (bottom) connecting to the base of the sting shaft. Illustration and photograph by Justin Schmidt.

  Part of: Schmidt JO, Schmidt LS, Schmidt DK (2021) The paradox of the velvet-ant (Hymenoptera, Mutillidae). In: Proshchalykin MYu, Gokhman VE (Eds) Hymenoptera studies through space and time: A collection of papers dedicated to the 75th anniversary of Arkady S. Lelej. Journal of Hymenoptera Research 84: 327-337. https://doi.org/10.3897/jhr.84.68795