{"id":63206,"date":"2023-11-18T11:12:26","date_gmt":"2023-11-18T17:12:26","guid":{"rendered":"http:\/\/losperiodistas.com.mx\/portal\/?p=63206"},"modified":"2023-11-18T11:12:28","modified_gmt":"2023-11-18T17:12:28","slug":"el-pececillo-de-plata-el-insecto-que-devora-tus-libros-rtve","status":"publish","type":"post","link":"https:\/\/losperiodistas.com.mx\/portal\/el-pececillo-de-plata-el-insecto-que-devora-tus-libros-rtve\/","title":{"rendered":"El pececillo de plata: el insecto que devora tus libros | Rtve"},"content":{"rendered":"\n<ul class=\"has-pale-ocean-gradient-background has-background has-medium-font-size wp-block-list\"><li>El\u00a0<a href=\"https:\/\/www.rtve.es\/noticias\/20230607\/sanidad-impulsa-aplicacion-detectar-mosquitos\/2448807.shtml\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>pececillo de plata<\/strong><\/a>, un insecto de tan solo\u00a0<strong>12 mm de largo<\/strong>, tiene una curiosa forma de reproducci\u00f3n<\/li><li>Presenta escamas, pero no es un pez, y puede devorar nuestra biblioteca<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2023\/11\/descarga-1024x576.jpeg\" alt=\"\" class=\"wp-image-63207\" srcset=\"https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2023\/11\/descarga-1024x576.jpeg 1024w, https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2023\/11\/descarga-300x169.jpeg 300w, https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2023\/11\/descarga-768x432.jpeg 768w, https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2023\/11\/descarga-1536x864.jpeg 1536w, https:\/\/losperiodistas.com.mx\/portal\/wp-content\/uploads\/2023\/11\/descarga.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-medium-font-size\"><strong>\u00a1QU\u00c9 ANIMAL! \/ RTVE<\/strong><\/p>\n\n\n\n<p>Cada casa tiene su propio ecosistema, seg\u00fan si hay mascotas, si est\u00e1 ventilada\u2026 De media habitan con nosotros unas&nbsp;<strong>80.000 especies distintas,<\/strong>&nbsp;s<strong><\/strong>on ya nuestros compa\u00f1eros de piso. De la mano de Evelyn Segura,&nbsp;<strong>\u00a1Qu\u00e9 Animal!&nbsp;<\/strong>conocemos<strong><\/strong>&nbsp;algunas de las especies que habitan en nuestros hogares.<\/p>\n\n\n\n<figure class=\"wp-block-image is-style-default\"><img decoding=\"async\" src=\"https:\/\/img2.rtve.es\/im\/7011774\/?w=900\" alt=\" De media habitan con nosotros unas 80.000 especies distintas\"\/><figcaption>De media habitan con nosotros unas 80.000 especies distintas<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>El pececillo de plata<\/strong><\/h3>\n\n\n\n<p>Su nombre cient\u00edfico es&nbsp;<em>Lepisma saccharina&nbsp;<\/em>y es muy habitual en nuestras casas. El nombre com\u00fan deriva del brillo gris met\u00e1lico de su cuerpo,&nbsp;<strong>recubierto de peque\u00f1as&nbsp;<\/strong><a href=\"https:\/\/www.rtve.es\/noticias\/20191226\/interceptan-mas-1700-kilos-escamas-pangolin-330-kilogramos-marfil-frontera-vietnamita\/1994491.shtml\" rel=\"noreferrer noopener\" target=\"_blank\"><strong>escamas<\/strong><\/a><strong>&nbsp;plateadas<\/strong>, y de sus movimientos ondulantes a la hora de desplazarse. Es muy \u00e1gil y tiene una fuerte&nbsp;<strong>fototaxia negativa<\/strong>, es decir, huye de la luz y le atrae la humedad. Por eso, es m\u00e1s frecuente verlo al mover los muebles, libros o en el cuarto de ba\u00f1o.<\/p>\n\n\n\n<figure class=\"wp-block-image is-style-default\"><img decoding=\"async\" src=\"https:\/\/img2.rtve.es\/im\/7011795\/?w=900\" alt=\" Su nombre cient\u00edfico es Lepisma saccharina \"\/><figcaption>Su nombre cient\u00edfico es Lepisma saccharina<\/figcaption><\/figure>\n\n\n\n<p>Debido a su naturaleza nocturna, ha sido dif\u00edcil conocer exactamente como es la fecundaci\u00f3n del pececillo de plata.&nbsp;<strong>Estos<\/strong><a href=\"https:\/\/www.rtve.es\/television\/20231023\/insectos-comestibles-proteina-futuro\/2458762.shtml\" rel=\"noreferrer noopener\" target=\"_blank\"><strong>&nbsp;insectos<\/strong><\/a><strong>&nbsp;no copulan<\/strong>, sino que&nbsp;<strong>el macho produce un<\/strong>&nbsp;<strong>espermat\u00f3foro<\/strong>, una estructura en forma de bolsa que contiene los espermatozoides, que adhiere colgado a un hilo tensado que pende desde alg\u00fan objeto vertical. Conduce a la hembra mediante maniobras de cortejo siguiendo el hilo hasta que esta localiza el espermat\u00f3foro.&nbsp;<strong>Esta lo recoge con sus cercos y lo lleva a su abertura genital<\/strong>, donde lo introduce y all\u00ed se produce la fecundaci\u00f3n.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Come libros de biblioteca<\/strong><\/h3>\n\n\n\n<p>El pececillo de plata es un&nbsp;<strong>\u201ccome<\/strong><a href=\"https:\/\/www.rtve.es\/temas\/literatura-y-libros\/1141\/\" rel=\"noreferrer noopener\" target=\"_blank\"><strong>&nbsp;libros<\/strong><\/a><strong>\u201d por excelencia.<\/strong>&nbsp;Se alimenta de casi toda la materia org\u00e1nica que encuentra, pero fundamentalmente de aquella que contiene hidratos de carbono o gl\u00facidos. Sus favoritos son los polisac\u00e1ridos como la celulosa, el almid\u00f3n y la dextrina, abundante en los adhesivos para encuadernar libros. Como no tiene un aparato bucal desarrollado, se sit\u00faa en la superficie del papel y lo desgasta gradualmente. Puede digerir la celulosa debido a que es capaz de producir celulasa, una enzima que degrada la celulosa, cosa extremadamente rara en los animales.<\/p>\n\n\n\n<p>Adem\u00e1s del pececillo de plata, en este cap\u00edtulo conoceremos la\u00a0<strong>fauna salvaje<\/strong>\u00a0que nos rodea.<\/p>\n\n\n\n<p>Fuente: <a href=\"https:\/\/www.rtve.es\/television\/20231118\/pececillo-plata-come-libros\/2460963.shtml\">https:\/\/www.rtve.es\/television\/20231118\/pececillo-plata-come-libros\/2460963.shtml<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>El\u00a0pececillo de plata, un insecto de tan solo\u00a012 mm de largo, tiene una curiosa forma de reproducci\u00f3n Presenta escamas, pero [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":63207,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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