Entomology definition of Instrumenta suctoria September 9, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Instrumenta suctoria Entomology definition of Instrumenta suctoria: mouth parts of a haustellate insect as a whole. Entomology Instrumenta suctoria definitionInstrumenta suctoria Entomology explanationInstrumenta suctoria Entomology meaningReviews & Comments