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A kind of annelid larva with a circle of cilia around the head.

The larval form of a trematode worm having the shape of a tadpole, with its body terminated by a tail-like appendage.

the exterior. They are also found on some vegetable organisms. In the Infusoria, and many larval forms, they are locomotive organs.

weevil (Apion apricans), that destroys the seeds of clover. -- Clover worm (Zoöl.), the larva of a small moth (Asopia costalis), often very destructive to clover hay. -- In clover, in very pleasant circumstances; fortunate. [Colloq.] - - Sweet clover. See Meliot.

thorax only by a constriction. Coarctate pupa (Zoöl.), a pupa closely covered by the old larval skin, as in most Diptera.

chrysalis state. It is formed of threads of silk spun by the worm just before leaving the larval state. From these the silk of commerce is prepared.

t an apple. Shak. Codling moth (Zoöl.), a small moth (Carpocapsa Pomonella), which in the larval state (known as the apple worm) lives in apples, often doing great damage to the crop.

The larval stage of a tapeworm (Tænia coenurus) which forms bladderlike sacs in the brain of sheep, causing the fatal disease known as water brain, vertigo, staggers or gid.

See Larvalla.

Gladiolus; -- called also sword lily. -- Corn fly. (Zoöl.) (a) A small fly which, in the larval state, is injurious to grain, living in the stalk, and causing the disease called "gout," on account of the swelled joints. The common European species is Chlorops tæniopus. (b) A small fly (Anthomyia ze) whose larva or mag…

having a strong, symmetrical bush and a very large berry. -- Currant borer (Zoöl.), the larva of an insect that bores into the pith and kills currant bushes; specif., the larvae of a small clearwing moth (Ægeria tipuliformis) and a longicorn beetle (Psenocerus supernotatus). -- Currant worm (Zoöl.), an insect larva…

The free-swimming, bivalve larva of certain Bryozoa.

er which unites with the hepatic to form the common bile duct. -- Cystic worm (Zoöl.), a larval tape worm, as the cysticercus and echinococcus.

The larval form of a tapeworm, having the head and neck of a tapeworm attached to a saclike body filled with fluid; -- called also bladder worm, hydatid, and measle (as, pork measle).

the genus Ephemera and related genera, of many species, and inhabiting fresh water in the larval state; the ephemeral fly; -- so called because it commonly lives but one day in the winged or adult state. See Ephemeral fly, under Ephemeral.

The aquatic larva of a large neuropterous insect (Corydalus cornutus), used as bait in angling. See Hellgamite.

The larva of any geometrid moth, which drops from trees by means of a thread of silk, as the cankerworm.

various organs, but especially in the liver and lungs, which often cause death. It is the larval stage of the Tænia echinococcus, a small tapeworm peculiar to the dog.

ria, called elm spanworm). -- Elm sawfly (Zoöl.), a large sawfly (Cimbex Americana). The larva, which is white with a black dorsal stripe, feeds on the leaves of the elm.

A process by which many internal parasites, esp. in their larval states, become inclosed within a cyst in the muscles, liver, etc. See Trichina.