Entomology definition of Occipital margin September 12, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Occipital margin Entomology definition of Occipital margin: in Mallophaga, the posterior margin of the head. Entomology Occipital margin definitionOccipital margin Entomology explanationOccipital margin Entomology meaningReviews & Comments