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Glass-crab :: Glass-crab (n.) The larval state (Phyllosoma) of the genus Palinurus and allied genera. It is remarkable for its strange outlines, thinness, and transparency. See Phyllosoma..

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

Acephalocyst :: Acephalocyst (n.) A larval entozoon in the form of a subglobular or oval vesicle, or hydatid, filled with fluid, sometimes found in the tissues of man and the lower animals; -- so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin..

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..

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..

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..

Appendicularia :: Appendicularia (n.) A genus of small free-swimming Tunicata, shaped somewhat like a tadpole, and remarkable for resemblances to the larvae of other Tunicata. It is the type of the order Copelata or Larvalia. See Illustration in Appendix..

Anthrenus :: Anthrenus (n.) A genus of small beetles, several of which, in the larval state, are very destructive to woolen goods, fur, etc. The common museum pest is A. varius; the carpet beetle is A. scrophulariae. The larvae are commonly confounded with moths..

Dayfly :: Dayfly (n.) A neuropterous insect of 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..

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

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

Trichina :: Trichina (n.) A small, slender nematoid worm (Trichina spiralis) which, in the larval state, is parasitic, often in immense numbers, in the voluntary muscles of man, the hog, and many other animals. When insufficiently cooked meat containing the larvae is swallowed by man, they are liberated and rapidly become adult, pair, and the ovoviviparous females produce in a short time large numbers of young which find their way into the muscles, either directly, or indirectly by means of the blood. Their

Army Worm :: Army worm () A lepidopterous insect, which in the larval state often travels in great multitudes from field to field, destroying grass, grain, and other crops. The common army worm of the northern United States is Leucania unipuncta. The name is often applied to other related species, as the cotton worm..

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..

Copelata :: Copelata (n. pl.) See Larvalla.

Zoea :: Zoea (n.) A peculiar larval stage of certain decapod Crustacea, especially of crabs and certain Anomura..

Larval :: Larval (a.) Of or pertaining to a larva.

Necrophagan :: Necrophagan (n.) Any species of a tribe (Necrophaga) of beetles which, in the larval state, feed on carrion; a burying beetle..

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..

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..

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