Entomology definition of Plaques September 12, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Plaques Entomology definition of Plaques: the small leathery hemelytra in some Naucorids. Entomology Plaques definitionPlaques Entomology explanationPlaques Entomology meaningReviews & Comments