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

Cocoon :: Cocoon (n.) An oblong case in which the silkworm lies in its 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.

Bark Beetle :: Bark beetle () A small beetle of many species (family Scolytidae), which in the larval state bores under or in the bark of trees, often doing great damage..

Strepsipterous :: Strepsiptera (n. pl.) A group of small insects having the anterior wings rudimentary, and in the form of short and slender twisted appendages, while the posterior ones are large and membranous. They are parasitic in the larval state on bees, wasps, and the like; -- called also Rhipiptera. See Illust. under Rhipipter..

Veliger :: Veliger (n.) Any larval gastropod or bivalve mollusk in the state when it is furnished with one or two ciliated membranes for swimming.

Pupiparous :: Pupiparous (a.) Bearing, or containing, a pupa; -- said of the matured larvae, or larval skins, of certain Diptera..

Eruca :: Eruca (n.) An insect in the larval state; a caterpillar; a larva.

Arval :: Arval (n.) A funeral feast.

Hydatid :: Hydatid (n.) A membranous sac or bladder filled with a pellucid fluid, found in various parts of the bodies of animals, but unconnected with the tissues. It is usually formed by parasitic worms, esp. by larval tapeworms, as Echinococcus and Coenurus. See these words in the Vocabulary..

Miner :: Miner (n.) Any of numerous insects which, in the larval state, excavate galleries in the parenchyma of leaves. They are mostly minute moths and dipterous flies..

Paedogenesis :: Paedogenesis (n.) Reproduction by young or larval animals.

Trochosphere :: Trochosphere (n.) A young larval form of many annelids, mollusks, and bryozoans, in which a circle of cilia is developed around the anterior end..

Larvalia :: 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..

Paedogenetic :: Paedogenetic (a.) Producing young while in the immature or larval state; -- said of certain insects, etc..

Cysticercus :: Cysticercus (n.) 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)..

Proscolex :: Proscolex (n.) An early larval form of a trematode worm; a redia. See Redia.

Gid :: Gid (a.) A disease of sheep, characterized by vertigo; the staggers. It is caused by the presence of the C/nurus, a larval tapeworm, in the brain. See C/nurus..

Actinotrocha :: Actinotrocha (n. pl.) A peculiar larval form of Phoronis, a genus of marine worms, having a circle of ciliated tentacles..

Gastraea :: Gastraea (n.) A primeval larval form; a double-walled sac from which, according to the hypothesis of Haeckel, man and all other animals, that in the first stages of their individual evolution pass through a two-layered structural stage, or gastrula form, must have descended. This idea constitutes the Gastraea theory of Haeckel. See Gastrula..

Stage :: Stage (n.) One of several marked phases or periods in the development and growth of many animals and plants; as, the larval stage; pupa stage; zoea stage..

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