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larva
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- Larva - n. - Any young insect from the time that it hatches from the egg until it becomes a pupa, or chrysalis. During this time it usually molts several times, and may change its form or color each time. The larvae of many insects are much like the adults in form and habits, but have no trace of wings, the rudimentary wings appearing only in the pupa stage. In other groups of insects the larvae are totally unlike the parents in structure and habits, and are called caterpillars, grubs, maggots, etc.
- Larva - n. - The early, immature form of any animal when more or less of a metamorphosis takes place, before the assumption of the mature shape.
- Larvae - pl. - of Larva
- Larval - a. - Of or pertaining to a larva.
- Larvalia - n. pl. - An order of Tunicata, including Appendicularia, and allied genera; -- so called because certain larval features are retained by them through life. Called also Copelata. See Appendicularia.
- Larvas - pl. - of Larva
- Larvated - a. - Masked; clothed as with a mask.
- Palmerworm - n. - In America, the larva of any one of several moths, which destroys the foliage of fruit and forest trees, esp. the larva of Ypsolophus pometellus, which sometimes appears in vast numbers.
- Transformation - n. - Any change in an organism which alters its general character and mode of life, as in the development of the germ into the embryo, the egg into the animal, the larva into the insect (metamorphosis), etc.; also, the change which the histological units of a tissue are prone to undergo. See Metamorphosis.
- Roseworm - n. - The larva of any one of several species of lepidopterous insects which feed upon the leaves, buds, or blossoms of the rose, especially Cacaecia rosaceana, which rolls up the leaves for a nest, and devours both the leaves and buds.
- Cocoon - n. - The case constructed by any insect to contain its larva or pupa.
- Bollworm - n. - The larva of a moth (Heliothis armigera) which devours the bolls or unripe pods of the cotton plant, often doing great damage to the crops.
- Atrocha - n. - A kind of chaetopod larva in which no circles of cilia are developed.
- Looper - n. - The larva of any species of geometrid moths. See Geometrid.
- Slug - n. - Any smooth, soft larva of a sawfly or moth which creeps like a mollusk; as, the pear slug; rose slug.
- Mask - n. - The lower lip of the larva of a dragon fly, modified so as to form a prehensile organ.
- Bipinnaria - n. - The larva of certain starfishes as developed in the free-swimming stage.
- Inchworm - n. - The larva of any geometrid moth. See Geometrid.
- Glochidium - n. - The larva or young of the mussel, formerly thought to be a parasite upon the parent's gills.
- Whirligig - n. - Any one of numerous species of beetles belonging to Gyrinus and allied genera. The body is firm, oval or boatlike in form, and usually dark colored with a bronzelike luster. These beetles live mostly on the surface of water, and move about with great celerity in a gyrating, or circular, manner, but they are also able to dive and swim rapidly. The larva is aquatic. Called also weaver, whirlwig, and whirlwig beetle.
- Wormil - n. - Any botfly larva which burrows in or beneath the skin of domestic and wild animals, thus producing sores. They belong to various species of Hypoderma and allied genera. Domestic cattle are often infested by a large species. See Gadfly. Called also warble, and worble.
- Admiral - n. - A handsome butterfly (Pyrameis Atalanta) of Europe and America. The larva feeds on nettles.
- Grub - n. - The larva of an insect, especially of a beetle; -- called also grubworm. See Illust. of Goldsmith beetle, under Goldsmith.
- Otter - n. - The larva of the ghost moth. It is very injurious to hop vines.
- Dobson - n. - The aquatic larva of a large neuropterous insect (Corydalus cornutus), used as bait in angling. See Hellgamite.
- Tadpole - n. - The young aquatic larva of any amphibian. In this stage it breathes by means of external or internal gills, is at first destitute of legs, and has a finlike tail. Called also polliwig, polliwog, porwiggle, or purwiggy.
- Scolex - n. - The embryo produced directly from the egg in a metagenetic series, especially the larva of a tapeworm or other parasitic worm. See Illust. of Echinococcus.
- Angoumois moth - - A small moth (Gelechia cerealella) which is very destructive to wheat and other grain. The larva eats out the interior of the grain, leaving only the shell.
- Jumper - n. - The larva of the cheese fly. See Cheese fly, under Cheese.
- Maggot - n. - The footless larva of any fly. See Larval.
- Army worm - - The larva of a small two-winged fly (Sciara), which marches in large companies, in regular order. See Cotton worm, under Cotton.
- Silkworm - n. - The larva of any one of numerous species of bombycid moths, which spins a large amount of strong silk in constructing its cocoon before changing to a pupa.
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