Entomology definition of Sub-labrum September 13, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Sub-labrum Entomology definition of Sub-labrum: =epipharynx; q.v. Entomology Sub-labrum definitionSub-labrum Entomology explanationSub-labrum Entomology meaningReviews & Comments