Entomology definition of Diurnae September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Diurnae Entomology definition of Diurnae: day fliers: applied to butterflies. Diurnae Entomology explanationDiurnae Entomology meaningEntomology Diurnae definitionReviews & Comments