The
duct that is the proximal-most section of the Dufour
gland between the
gland orifice and the Dufour
gland closing muscles.
written by: Eggs, B., S. Fischer, M. Csader, I. Mikó, A. Rack, and O. Betz. 2023. Terebra steering in chalcidoid wasps. Frontiers in Zoology 20:26.