alternative definition added about 14 years ago by Istvan Miko
Term sometimes used for the central region of the propodeum between the
spiracles or plicae if present.
Reference: Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
Cross reference:
None provided.