Entomology definition of Sub-fulcrum September 13, 2014 Raj Entomology Dictionary 0 Please Like Us!!! DesiGoogly.com > Education News > Entomology Dictionary > Entomology definition of Sub-fulcrum Entomology definition of Sub-fulcrum: a sclerite between mentum and palpiger: rarely present. Entomology Sub-fulcrum definitionSub-fulcrum Entomology explanationSub-fulcrum Entomology meaningReviews & Comments