Entomology definition of Facial ridges September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Facial ridges Entomology definition of Facial ridges: Diptera; the elevated lateral borders of antennal grooves. Entomology Facial ridges definitionFacial ridges Entomology explanationFacial ridges Entomology meaningReviews & Comments