Entomology definition of Utriculus September 14, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Utriculus Entomology definition of Utriculus: a little bag or hollow vesicle. Entomology Utriculus definitionUtriculus Entomology explanationUtriculus Entomology meaningReviews & Comments