alternative definition added over 13 years ago by Istvan Miko
Term used for the composite vertex and that part of the upper face that is more or
less dorsal compared with a more vertical part when the upper face is abruptly angled at
some level above the torulus (see also frontofacial ridge).
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.