Leucine: a white crystalline compound, the product of animal decomposition, found in the malpighian tubes: as a color, cheesy white.
Leucocytes: pale, unicellular bodies, numerous in the insect blood.
Levator: a muscle that raises an organ or a part.
Levigate -us: with a smooth, somewhat shiny surface.
Liber: free.
Ligament: a band or sheet of tough, fibrous tissue between two parts or segments.
Ligneous -eus: wood brown [Vandyke brown].
Lignivorous: feeding upon wood or woody tissues.
Ligula: the central sclerite of the labium, borne upon the mentum, usually single, sometimes paired: often used as synonymous with "glossa" and "tongue": corresponds to the united laciniae of right and left maxillae: see also elytral ligula.
Ligulate: strap-shaped; linear, much longer than broad.