Social Life in the Insect World by Jean-Henri Fabre, is part of the HackerNoon Books Series. You can jump to any chapter in this book here . THE ITALIAN CRICKET CHAPTER XI. THE ITALIAN CRICKET My house shelters no specimens of the domestic Cricket, the guest of bakeries and rustic hearths. But although in my village the chinks under the hearthstones are mute, the nights of summer are musical with a singer little known in the North. The sunny hours of spring have their singer, the Field-Cricket of which I have written; while in the summer, during the stillness of the night, we hear the note of the Italian Cricket, the Œcanthus pellucens, Scop. One diurnal and one nocturnal, between them they share the kindly half of the year. When the Field-Cricket ceases to sing it is not long before the other begins its serenade. The Italian Cricket has not the black costume and heavy shape characteristic of the family. It is, on the contrary, a slender, weakly creature; its colour very pale, indeed almost white, as is natural in view of its nocturnal habits. In handling it one is afraid of crushing it between the fingers. It lives an aerial existence; on shrubs and bushes of all kinds, on tall herbage and grasses, and rarely descends to the earth. Its song, the pleasant voice of the calm, hot evenings from July to October, commences at sunset and continues for the greater part of the ni ght. This song is familiar to all Provençals; for the least patch of thicket or tuft of grasses has its group of instrumentalists. It resounds even in the granaries, into which the insect strays, attracted thither by the fodder. But no one, so mysterious are the manners of the pallid Cricket, knows exactly what is the source of the serenade, which is often, though quite erroneously, attributed to the common field-cricket, which at this period is silent and as yet quite young. The song consists of a Gri-i-i, Gri-i-i, a slow, gentle note, rendered more expressive by a slight tremor. Hearing it, one divines the extreme tenuity and the amplitude of the vibrating membranes. If the insect is not in any way disturbed as it sits in the low foliage, the note does not vary, but at the least noise the performer becomes a ventriloquist. First of all you hear it there, close by, in front of you, and the next moment you hear it over there, twenty yards away; the double note decreased in volume by the distance. You go forward. Nothing is there. The sound proceeds again from its original point. But no—it is not there; it is to the left now—unless it is to the right—or behind.... Complete confusion! It is impossible to detect, by means of the ear, the direction from which the chirp really comes. Much patience and many precautions will be required before you can capture the insect by the light of the lantern. A few specimens caught under these conditions and placed in a cage have taught me the little I know concerning the musician who so perfectly deceives our ears. The wing-covers are both formed of a dry, broad membrane, diaphanous and as fine as the white skin on the outside of an onion, which is capable of vibrating over its whole area. Their shape is that of the segment of a circle, cut away at the upper end. This segment is bent at a right angle along a strong longitudinal nervure, and descends on the outer side in a flap which encloses the insect's flank when in the attitude of repose. The right wing-cover overlaps the left. Its inner edge carries, on the under side, near the base, a callosity from which five radiating nervures proceed; two of them upwards and two downwards, while the fifth runs approximately at right angles to these. This last nervure, which is of a slightly reddish hue, is the fundamental element of the musical device; it is, in short, the bow, the fiddlestick, as is proved by the fine notches which run across it. The rest of the wing-cover shows a few more nervures of less importance, which hold the membrane stretched tight, but do not form part of the friction apparatus. The left or lower wing-cover is of similar structure, with the difference that the bow, the callosity, and the nervures occupy the upper face. It will be found that the two bows—that is, the toothed or indented nervures—cross one another obliquely. When the note has its full volume, the wing-covers are well raised above the body like a wide gauzy sail, only touching along the internal edges. The two bows, the toothed nervures, engage obliquely one with the other, and their mutual friction causes the sonorous vibration of the two stretched membranes. THE ITALIAN CRICKET. The sound can be modified accordingly as the strokes of each bow bear upon the callosity, which is itself serrated or wrinkled, or on one of the four smooth radiating nervures. Thus in part are explained the illusions produced by a sound which seems to come first from one point, then from another, when the timid insect is alarmed. The production of loud or soft resounding or muffled notes, which gives the illusion of distance, the principal element in the art of the ventriloquist, has another and easily discovered source. To produce the loud, open sounds the wing-covers are fully lifted; to produce the muted, muffled notes they are lowered. When lowered their outer edges press more or less lightly on the soft flanks of the insect, thus diminishing the vibratory area and damping the sound. The gentle touch of a finger-tip muffles the sharp, loud ringing of a glass tumbler or "musical-glass" and changes it into a veiled, indefinite sound which seems to come from a distance. The White Cricket knows this secret of acoustics. It misleads those that seek it by pressing the edge of its vibrating membranes to the soft flesh of its abdomen. Our musical instruments have their dampers; that of the Œcanthus pellucens rivals and surpasses them in simplicity of means and perfection of results. The Field-Cricket and its relatives also vary the volume of their song by raising or lowering the elytra so as to enclose the abdomen in a varying degree, but none of them can obtain by this method results so deceptive as those produced by the Italian Cricket. To this illusion of distance, which is a source of perpetually renewed surprise, evoked by the slightest sound of our footsteps, we must add the purity of the sound, and its soft tremolo. I know of no insect voice more gracious, more limpid, in the profound peace of the nights of August. How many times, per amica silentia lunæ, have I lain upon the ground, in the shelter of a clump of rosemary, to listen to the delicious concert! The nocturnal Cricket sings continually in the gardens. Each tuft of the red-flowered cistus has its band of musicians, and each bush of fragrant lavender. The shrubs and the terebinth-trees contain their orchestras. With its clear, sweet voice, all this tiny world is questioning, replying, from bush to bush, from tree to tree; or rather, indifferent to the songs of others, each little being is singing his joys to himself alone. Above my head the constellation of Cygnus stretches its great cross along the Milky Way; below, all around me, palpitates the insect symphony. The atom telling of its joys makes me forget the spectacle of the stars. We know nothing of these celestial eyes which gaze upon us, cold and calm, with scintillations like the blinking of eyelids. Science tells us of their distance, their speeds, their masses, their volumes; it burdens us with stupendous numbers and stupefies us with immensities; but it does not succeed in moving us. And why? Because it lacks the great secret: the secret of life. What is there, up there? What do these suns warm? Worlds analogous to ours, says reason; planets on which life is evolving in an endless variety of forms. A superb conception of the universe, but after all a pure conception, not based upon patent facts and infallible testimony at the disposal of one and all. The probable, even the extremely probable, is not the obvious, the evident, which forces itself irresistibly and leaves no room for doubt. But in your company, O my Crickets, I feel the thrill of life, the soul of our native lump of earth; and for this reason, as I lean against the hedge of rosemary, I bestow only an absent glance upon the constellation of Cygnus, but give all my attention to your serenade. A little animated slime, capable of pleasure and pain, surpasses in interest the universe of dead matter. About HackerNoon Book Series: We bring you the most important technical, scientific, and insightful public domain books. This book is part of the public domain. Jean-Henri Fabre (2006). Social Life in the Insect World. Urbana, Illinois: Project Gutenberg. Retrieved October https://www.gutenberg.org/cache/epub/18350/pg18350-images.html This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.org , located at https://www.gutenberg.org/policy/license.html .

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