Entomology definition of Umbrosa September 14, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Umbrosa Entomology definition of Umbrosa: shaded or clouded: a cloud or shade. Entomology Umbrosa definitionUmbrosa Entomology explanationUmbrosa Entomology meaningReviews & Comments