alternative definition added over 14 years ago by Istvan Miko
Side of the head between the base of the mandible and lower margin of the eye,
consisting partly of the lower face and partly of the gena.
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.