Entomology definition of Ectognathus September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Ectognathus Entomology definition of Ectognathus: see ectotrophous. Ectognathus Entomology explanationEctognathus Entomology meaningEntomology Ectognathus definitionReviews & Comments