| larva | a young insect which quits the egg in an early stage of morphological development and differs fundamentally in form from the adult; in a strict zoological sense, the immature form of animals which undergo complete metamorphosis. |
| larvae | a young insect which quits the egg in an early stage of morphological development and differs fundamentally in form from the adult; in a strict zoological sense, the immature form of animals which undergo complete metamorphosis. |
| larval | a young insect which quits the egg in an early stage of morphological development and differs fundamentally in form from the adult; in a strict zoological sense, the immature form of animals which undergo complete metamorphosis. |
| leaflet | a foliar element of a compound leaf. |
| leafminer | refers to the feeding style of certain flies, caterpillars that feed between the upper and lower surfaces of leaves resulting in blotching or snake-like passages. |
| ligule | (1) a strap-shaped organ; (2) (in grasses) a minute projection from the top of the leaf sheath; (3) the strap-shaped corolla in the ray flowers of Composites. |
| lobes | a projecting part or segment of an organ as in a lobed ovary or stigma; usually a division of a lf., calyx, or petals cut to about the middle (I.e. midway between margin and midrib. |
| looper | a geometrid or other caterpillar in which some or all the middle abdominal legs are wanting and which moves by bringing tail to thorax and forming a loop of the intervening segments. |