Lineolet: a delicate fine line.
Lingua: the tongue; applied in Hymenoptera, to the ligula: in Lepidoptera and Diptera, to maxillary structures: has also been used for the hypopharynx, and that use might be adopted: a median organ of the hypopharynx in Apterygota.
Lingua spiralis: the spiral tongue of Lepidoptera: see glossa.
Linguiform: tongue-shaped: linear, with the extremities obtusely rounded.
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.
Lipochromus: without color.
Lipoptera: = Mallophaga; q.v.
Literate: ornamented with characters like letters.
Littoral: living along the sea-coast or in the shore debris: strictly, between tide marks.
Littoralia: Heteroptera that live in marshes.