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Larva   /lˈɑrvə/   Listen
Larva

noun
(pl. L. larvae, E. larvas)
1.
The immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose.



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"Larva" Quotes from Famous Books



... roaring of monsters which fearfully haunt the mind of every child and appear in everything that he sees, the relic perhaps of a form long dead, hallucinations of the first days after emerging from chaos, from the fearful slumber in his mother's womb, from the awakening of the larva from ...
— Jean-Christophe, Vol. I • Romain Rolland

... to be the work of an insect which I am just beginning to study, one of the flat-headed borers, and the reason you have not seen the larva is that it is very small. It is not half an inch long. In the second year it comes out as an adult. I judge that control measures should be used in the spring, when I think without doubt that it would ...
— Northern Nut Growers Association Report of the Proceedings at the Fifteenth Annual Meeting • Various

... favorite haunt of this hateful little monster, and he who does not find it lying in wait when turning up land that has been long in sod, may deem himself lucky. The reader need not draw a sigh of relief when I tell him that I mean merely the "white grub," the larva of the May-beetle or June-bug, that so disturbs our slumbers in early summer by its sonorous hum and aimless bumping against the wall. This white grub, which the farmers often call the "potato worm," is, in this region, the strawberry's most formidable foe, and, by devouring ...
— Success With Small Fruits • E. P. Roe

... floated up, generation after generation, into that abode of helpless brooding, and there hung hovering above the fast fleeting life below, which now, in its turn, was ever sending up like fumes from heart and brain, to crowd the dim, dreary, larva haunted, dream wallowing chaos of half obliterated thought and feeling. To Florimel it looked a dread waste, a region deserted and forgotten, mysterious with far reaching nooks of darkness, and now awful with the wind raving and howling over slates and leads so close ...
— Malcolm • George MacDonald

... Pruvot. It closely resembles in the early stages that of Chitons. The external surface of the trochosphere is formed of a number of ciliated test-cells. The ectoderm behind the ciliated ring develops spicules, and the post-oral region of the larva elongates. Later the ciliated ring or velum disappears and seven imbricated calcareous plates, made up of flattened spicules, are formed on the dorsal surface. This appears to indicate that the Neomeniomorpha are descended from Chiton-like ancestors, ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 - "Chicago, University of" to "Chiton" • Various

... were adults, but somewhat less likely if they were larvae of a much larger animal. The form of the stapes, tabular and otic notch suggest a functional tympanic membrane, which could not have occurred in a gill-breathing larva. On the other hand, an adult animal of pigmy size might be expected to have large orbits, large otic capsules ...
— A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas • Theodore H. Eaton

... life has four well marked periods: First, the egg; second, the grub or larva; third, the chrysalis or pupa; fourth, the imago, or perfect insect. The eggs are small, ovate, yellowish white objects, which hatch in about fifteen to thirty days. The larvae are small legless grubs, quite large at the ...
— Scientific American Supplement No. 822 - Volume XXXII, Number 822. Issue Date October 3, 1891 • Various

... of Linneus lives in the water in spring, and on the land in summer, and catches flies. Of the rana paradoxa the larva or tadpole is as large as the frog, and dwells in Surinam, whence the mistake of Merian and of Seba, who call it a frog fish. The esculent frog is green, with three yellow lines from the mouth to ...
— The Temple of Nature; or, the Origin of Society - A Poem, with Philosophical Notes • Erasmus Darwin

... "I know now what's ailing those apple trees down back of our barn. The Brown Tail moths are in them. Listen to this: 'The principal injury caused by these moths is due to the feeding habits of the larva. They attack apple, pear, plum, oak, elm and willow trees. If the infestation is bad the caterpillars are often numerous enough to devour the leaves as fast as the trees are able to develop them. As the webs are made on the terminals the growth ...
— The Boy Scout Fire Fighters • Irving Crump

... week the transition from larva to butterfly took place in the young, handsome, and clever Charles-Edouard, Comte Rusticoli de la Palferine. Until this moment of his life he had lived miserably, covering his deficits with an audacity equal to that of Danton. But he now ...
— Beatrix • Honore de Balzac

... sucks. Therefore natural selection would act equally well on character which was fully only in full age. Selection could tend to alter no character in foetus, (except relation to mother) it would alter less in young state (putting on one side larva condition) but alter every part in full-grown condition. Look to a foetus and its parent, and again after ages foetus and its <i. e. the above mentioned parents> descendant; the parent more variable ...
— The Foundations of the Origin of Species - Two Essays written in 1842 and 1844 • Charles Darwin

... whole. Layers of mortar, sparingly applied, hold them together. The outside of the cell thus assumes the appearance of a piece of rustic architecture, in which the stones project with their natural irregularities; but the inside, which requires a more even surface in order not to hurt the larva's tender skin, is covered with a coat of pure mortar. This inner whitewash, however, is put on without any attempt at art, indeed one might say that it is ladled on in great splashes; and the grub takes care, after finishing ...
— The Mason-bees • J. Henri Fabre

... grotesque, of monk or painter in the early North, would have failed to give to the visage of imp or fiend that aspect of deadly malignity which spoke to the shuddering nature in those eyes alone. All else so dark,—shrouded, veiled and larva-like. But that burning glare so intense, so livid, yet so living, had in it something that was almost HUMAN in its passion of hate and mockery,—something that served to show that the shadowy Horror was not all a spirit, but partook ...
— Zanoni • Edward Bulwer Lytton

... a typical trochosphere of the giant octopus, the devil fish of Indian Ocean legend, multiplied a thousand times," he replied. "When the octopus lays its eggs, they hatch out into the larval form. The free swimming larva is known as a trochosphere, and I am positive that that is what we see; but look at the size of the thing! Man alive, if that ever developed, I can't ...
— Astounding Stories of Super-Science, December 1930 • Various

... the west end of Long Island. From that point the insect gradually spread in various directions, at the rate of twenty or thirty miles a year, and the wheat of the entire regions east of the Alleghanies is now more or less infested with the larva, as well as in large portions of the States bordering on the Ohio and Mississippi, and on the great Lakes; and so great have been the ravages of these insects that the cultivation of this grain has in many ...
— The Commercial Products of the Vegetable Kingdom • P. L. Simmonds

... Words: entomology, entomologist, entomologic, chrsalis, pupa, cicada, cocoon, credpitaculum, entomophilous, entornophily, entomtaxy, entomotomy, insecticidal, insectifuge, insectile, larva, lepidopterist, larvarium, stridor, stridulate, stridulation, silphology, stridulatory, nymph, ...
— Putnam's Word Book • Louis A. Flemming

... first leaves the egg, is termed grub, maggot, worm, or larva; from this state it changes to the shape of the perfect bee, which is said to be three days after finishing the cocoon; from the time of this change, till it is ready to leave the cell, the terms nymph, pupa, and chrysalis, are applied. The lid of the drone's ...
— Mysteries of Bee-keeping Explained • M. Quinby

... we may be pretty certain that their eggs are hatched out into what we call larvae, or imperfectly developed animals, precisely similar to the young, or larvae, of the marine mussel of our seas. Now, this larva has the form of a tiny little creature covered with 'swimming' hairs. By the constant waving motions of these hairs, the little body is driven through the water, till at last, reaching a favourable spot, or tired out, they settle down at the bottom of the sea and turn into mussels, ...
— Chatterbox, 1906 • Various

... bewitched persons; from Larva, of which the original meaning is a ghost or spectre; the derived meanings are, a Mask ...
— The Spectator, Volumes 1, 2 and 3 - With Translations and Index for the Series • Joseph Addison and Richard Steele

... stood on end. That awful solitude, what mysterious and preternatural being could penetrate! 'Who's there?' he cried, in new alarm; 'what spectre—what dread larva, ...
— The Last Days of Pompeii • Edward George Bulwer-Lytton

... interesting give and take between the shore-haunt and the open sea. From the shore come nutritive contributions and minute organisms which multiply quickly in the open waters. But not less important is the fact that the open waters afford a safe cradle or nursery for many a delicate larva, e.g. of crab and starfish, acorn-shell and sea-urchin, which could not survive for a day in the rough-and-tumble conditions of the shore and the shallow water. After undergoing radical changes and gaining strength, ...
— The Outline of Science, Vol. 1 (of 4) - A Plain Story Simply Told • J. Arthur Thomson

... Greek word meaning a club and a Latin word meaning a head. It is a genus of Pyrenomycetous fungi of which a few grow upon other fungi, but by far the greater number are parasitic upon insects or their larva, as will be seen in ...
— The Mushroom, Edible and Otherwise - Its Habitat and its Time of Growth • M. E. Hard

... creeping to the swimming mode of locomotion. The planaea consisted, then, of two kinds of cells—inner ones like the amoebae, and external "ciliated cells." The ancestors of man, which possessed the form value of the ciliated larva, is, of course, extinct ...
— Was Man Created? • Henry A. Mott

... thickly as distant suns star the sky, making a milky way of the brookside and flashing comet-like along the dry upland, is singularly vivid. They sparkle, these northern fireflies of ours, with a dainty glint that merely emphasizes the darkness. Now and then you may see the larva of one of these, which is the glow-worm beside the path. You may get a very faint real illumination from him, lighting perhaps the space of your fingernail as he crawls along. He, too, merely serves to make the darkness visible. The firefly of the tropics is more spectacular. ...
— Old Plymouth Trails • Winthrop Packard

... the pellets of pollen and nectar paste, then when her eggs have been laid on the food supply in separate nurseries and sealed up, she dies from exhaustion, leaving her grub progeny to eat its way through the larva into the chrysalis state, and finally into that of a winged bee that flies away to liberty. These are the little bees so ...
— Wild Flowers, An Aid to Knowledge of Our Wild Flowers and - Their Insect Visitors - - Title: Nature's Garden • Neltje Blanchan

... greatest development. It is assuredly a long and obscure way that leads from the ancestral type of animal we have been describing to the headless and shapeless mussel or oyster. Such a degeneration is, however, precisely what we should expect to find in the circumstances. Indeed, the larva, of many of the headless Molluscs have a mouth and eyes, and there is a very common type of larva—the trochosphere—in the Mollusc world which approaches the earlier form of some of the higher worms. The Molluscs, ...
— The Story of Evolution • Joseph McCabe

... and again, after which he very cautiously bit a tiny piece off one end, hesitated, with his face looking very peculiar before beginning to chew it, but bravely going on; and directly after his face lit up just as his cousins were about to explode with mirth, and he popped the rest of the larva into his mouth, and held out his hand to ...
— The Dingo Boys - The Squatters of Wallaby Range • G. Manville Fenn

... remembers nothing. My travels, my reading, my studies, my projects, my hopes, have faded from my mind. It is a singular state. All my faculties drop away from me like a cloak that one takes off, like the chrysalis case of a larva. I feel myself returning into a more elementary form. I behold my own unclothing; I forget, still more than I am forgotten; I pass gently into the grave while still living, and I feel, as it were, the indescribable peace of annihilation, and the ...
— Amiel's Journal • Mrs. Humphry Ward

... the Study of Insects", offers in substance this much help upon the subject: "The genus is beautiful, the species numerous, of large size, often three-inch expansion, and in repose form a flat roof. The larva is elongate, slender, flattened beneath and spotted with black, attenuated at each end, with fleshy filaments on the sides above the legs, while the head is flattened and rather forked above. It feeds on trees and rests attached to the trunks. The pupa is covered with a bluish ...
— Moths of the Limberlost • Gene Stratton-Porter

... progenitor. We can thus understand why embryology should throw a flood of light on the natural system of classification, for this ought to be as far as possible genealogical. When the embryo leads an independent life, that is, becomes a larva, it has to be adapted to the surrounding conditions in its structure and instincts, independently of those of its parents; and the principle of inheritance at corresponding periods ...
— The Variation of Animals and Plants Under Domestication, Volume II (of 2) • Charles Darwin

... blue body, he is very similar to the bluebottle, and lives in huts and dwellings. But his ways are different, for he bites a hole into one's skin, usually the back or arms, and lays an egg therein. In about ten days this egg develops into a fully grown larva, in other words a white maggot with a black head. It looks for all the world like a boil until one squeezes it and pushes the squirming head outside. But woe to him who having squeezed lets go to get the necessary forceps; for the larva leaps back within, promptly dies and forms an abscess. ...
— Sketches of the East Africa Campaign • Robert Valentine Dolbey

... generally make amends by destroying insects whose ravages would have been still more injurious. [Footnote: Even the common crow has found apologists, and it has been asserted that he pays for the Indian corn he consumes by destroying the worms and larva which infest that plant. ...
— The Earth as Modified by Human Action • George P. Marsh

... of the Chameleon; Peculiarity of the Negro Stomach; Growth of Spanish Flies; British Pearl Fishery on the Conway; the cause of Goitre; seat of the sense of touch and taste; stones found in the stomach of Pikes; Learned Poodles at Paris; Faculties of Domestic Animals; Increase of Mankind; Larva of the Gad-fly, which deposits its eggs in the bodies of the human species; Luminousness of the Sea, a valuable contribution; Motions in water caused by the respiration of Fishes; Cannibalism in New Guinea; Heron swallowing a Rat; Mr. Vigors on American Quails; Mr. Yarrell's experiments ...
— The Mirror of Literature, Amusement, and Instruction, Vol. 17, No. - 488, May 7, 1831 • Various

... and glossy, tapering from the posterior end to the head, which is armed with a pair of black, hook-like jaws. The opposite end is cut off obliquely and has eight tooth-like projections around the edge, and a pair of small brown tubercles near the middle. Fig. 11 shows the eggs, larva, and pupa, ...
— Scientific American Supplement, No. 803, May 23, 1891 • Various

... ones on either side to make a very large royal cell. They bite away the wax with their strong jaws and press the rough edges into shape with their feet. When this egg hatches, they do not feed the baby, or Larva, with tasteless bread made of flower-dust, honey, and water, as they would if they intended it to grow up a Worker or a Drone. Instead, they make what is called royal jelly, which is quite sour, and tuck this all around the Larva, who now looks ...
— Among the Farmyard People • Clara Dillingham Pierson

... the better to pounce down,—draw their nutriment from unguarded material cuticles; and just when, maddened, you strike, and exulting exclaim, "Caught, by Jove!" wh-irr flies the diaphanous, ghostly larva, and your blow falls ...
— My Novel, Complete • Edward Bulwer-Lytton

... plural form of the word. When we speak of only one we say "larva"; when we speak of more than one, instead of saying "larvas," we ...
— The Insect Folk • Margaret Warner Morley

... and fall away periodically, with the rising and descending of the sap; annual plants die at the end of the season, persisting in germinal state within a bulb, a rhizome, or a root before coming again to the light; in "metamorphoses," we find that the germ (the egg) becomes a larva (a worm), and then dies as a chrysalis, to be reborn ...
— Reincarnation - A Study in Human Evolution • Th. Pascal

... luxuriant forests of Ceylon the extensive family of Longicorns[1] and Passalidae live in destructive abundance. To the coco-nut planters the ravages committed by beetles are painfully familiar.[2] The larva of one species of Dynastida, the Oryctes rhinoceros, called by the Singhalese "Gascooroominiya," makes its way into the younger trees, descending from the top, and after perforating them in all directions, forms a cocoon of the gnawed wood and ...
— Sketches of the Natural History of Ceylon • J. Emerson Tennent

... length it struggles forth, glittering with rainbow colors, a winged moth, endowed with new faculties and living a new life in a new sphere, he conceives that so the human soul may, in the fulness of time, disentangle itself from the imprisoning meshes of this world of larva, a thing of spirit beauty, to sail through heavenly airs; and henceforth he engraves a butterfly on the tombstone in vivid prophecy of immortality. Thus a moralizing observation of natural similitudes teaches man to hope for an existence ...
— The Destiny of the Soul - A Critical History of the Doctrine of a Future Life • William Rounseville Alger

... trouble. Pull up and burn all infested plants at once, as no good remedy has as yet been found. The cut-worm, especially in newly set beds, may sometimes prove destructive of the sprouting young canes. The raspberry-borer is the larva of a small, flattish, red-necked beetle, which bores to the center of the canes during summer growth, and kills them. Cut ...
— Home Vegetable Gardening • F. F. Rockwell

... Ascidioid form. Goodsir long ago insisted upon the resemblance between Amphioxus and the Ascidians; but the notion of a genetic connection between the two, and especially the identification of the notochord of the Vertebrate with the axis of the caudal appendage of the larva of the Ascidian, is a novelty which, at first, takes one's breath away. I must confess, however, that the more I have pondered over it, the more grounds appear in its favour, though I am not convinced that there is any real parallelism between the mode of development ...
— Critiques and Addresses • Thomas Henry Huxley

... of its life, and of the different types that may be normally produced from the same parents, otherwise absurd errors are perpetrated. The young, the male, and the female of the same species have frequently been described under different names as distinct species or even genera. For example, the larva of marine crabs was formerly described as a distinct genus under the name of Zoaea, and in the earlier part of the nineteenth century a lively controversy on the question was carried on between a retired ...
— Hormones and Heredity • J. T. Cunningham

... of the Monarch Butterfly may be collected upon the milkweed and brought in, so that the whole life history or metamorphosis of this beautiful insect, from the egg through the larva or caterpillar stage and the pupa or chrysalis stage to the adult butterfly, may be watched. The larvae or caterpillar must be supplied daily with fresh milkweed leaves. Other butterflies and moths and many other insects may be reared in the same way by supplying the larvae with suitable ...
— Scouting For Girls, Official Handbook of the Girl Scouts • Girl Scouts

... terminated in a very fine filament. It was, as sketched by me under a simple microscope, plainly divided by transverse opaque partitions, which I presume represent the great cells figured by Kovalevsky. At an early stage of development the tail was closely coiled round the head of the larva.), and have the power of swimming freely about. Mr. Kovalevsky (24. 'Memoires de l'Acad. des Sciences de St. Petersbourg,' tom. x. No. 15, 1866.) has lately observed that the larvae of Ascidians are related to the Vertebrata, in their manner of ...
— The Descent of Man and Selection in Relation to Sex • Charles Darwin

... water beasts are very suspicious of movement above them, and all sham dead, or lie quite still, and are strangely invisible. On the other hand, they have none of the power of remaining motionless for half-an-hour like land animals. Soon what look like sticks, but are caddis larva, begin to creep on the bottom. Then more brown objects, larvae of dragon-flies and water-beetles, detach themselves from the stems of the plants and cruise up and down seeking what they may devour. Other creatures feeding and swimming among or beneath the plants crawl ...
— The Naturalist on the Thames • C. J. Cornish

... three-chambered heart, and voiding his excreta through a cloaca like other reptiles; and finally, when he enters upon post-natal sins and actualities, he is a sprawling, squalling, unreasoning quadruped. The human larva from the fifth to the seventh month of development is covered with a thick growth of hair and has a true caudal (tail) appendage, like the monkey. At this stage the embryo has in all thirty-eight vertebrae, nine of which are caudal, and the great toe extends at right angles ...
— Communism and Christianism - Analyzed and Contrasted from the Marxian and Darwinian Points of View • William Montgomery Brown

... branches, he thinks the most important divergence took place where the series of vertebrates may have been developed out of the invertebrates. Here he adopts the investigations of A. Kowalewsky, and the deductions of Haeckel founded upon them, concerning the larva of the ascidiae, a genus of marine mollusca of the order tunicata, and sees in a cord, to be found in this larva, most decided relationship to the spine of the lancelet fish or amphioxus, the lowest of all the ...
— The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality • Rudolf Schmid



Words linked to "Larva" :   wiggler, fauna, wireworm, pollywog, tadpole, hellgrammiate, larval, animate being, jointworm, mealworm, creature, animal, polliwog, leptocephalus, antlion, wriggler, dobson, brute, strawworm, caterpillar, nymph, ant lion, ascidian tadpole, aphis lion, aphid lion, caseworm, grub, cercaria, bot, doodlebug, bladder worm, beast



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