Venom gland and venom sack (called also poison gland and poison sack) of honey bee worker. After Snodgrass (1910, fig. 36) The anatomy of the honey bee,
U. S. Department of Agriculture, Bureau of Entomology, Technical Series
, Volume 18, Washington, DC, p.1-162, (1910)
[1] and Mota (1988) Ocorrência e morfometria de glândulas tegumentares abdominais em Apis mellifera L.(Hymenoptera, Apidae),
Revista Brasileira de Zoologia
, Volume 5, Number 1, p.119–154, (1988)
[2]. (scale bar = 0.5 mm)