Aleurodidae, the lid-like structure closing the vasiform orifice; q.v. Ophthalmic: relating to the eye.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Lingula: in Aleurodidae, a more or less slender tongue or strap-shaped organ, attached cephalad within the vasiform orifice: a term proposed by Leuckart for the ligula of the bees.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference