alternative definition added over 14 years ago by Istvan Miko
If present, the carina on the back of the head that partially or completely
surrounds the occipital foramen.
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.