alternative definition added over 14 years ago by Istvan Miko
Term sometimes used for a transverse ridge across the face above the scrobal
depression, resulting from an abrupt change in angle and differentiating the anterior margin
of the frontovertex.
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.