Entomology definition of Calyptra September 7, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Calyptra Entomology definition of Calyptra: a hood or cap; see alula. Calyptra Entomology explanationCalyptra Entomology meaningEntomology Calyptra definitionReviews & Comments