{"id":10182,"date":"2026-08-22T17:00:52","date_gmt":"2026-08-22T17:00:52","guid":{"rendered":"https:\/\/pawel.stefanoff.pl\/bugs\/?p=10182"},"modified":"2026-08-25T19:48:28","modified_gmt":"2026-08-25T19:48:28","slug":"2026-08-meeting-the-green-veined-white-es","status":"publish","type":"post","link":"https:\/\/pawel.stefanoff.pl\/bugs\/es\/posts\/2026-08-meeting-the-green-veined-white-es\/","title":{"rendered":"Ilusiones \u00f3pticas y charcos de barro: La blanca verdinervada"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">La blanca verdinervada (<em>Pieris napi<\/em>) es una mariposa com\u00fan en Europa que guarda un curioso secreto: las venas &#8220;verdes&#8221; del reverso de sus alas no contienen ni una gota de pigmento verde. En realidad, ese llamativo tono es una ilusi\u00f3n \u00f3ptica creada por diminutas escamas amarillas y negras mezcladas de muy cerca. A diferencia de sus parientes comedores de coles, estas mariposas son totalmente inofensivas para los cultivos del huerto, ya que sus orugas prefieren plantas silvestres como la aliaria o la berza de prado. Los machos j\u00f3venes suelen reunirse en charcos de barro h\u00famedo o esti\u00e9rcol para beber minerales esenciales. Las hembras, por su parte, tienen un m\u00e9todo muy claro para rechazar pretendientes: levantan el abdomen verticalmente y liberan un rastro qu\u00edmico dejado por una pareja anterior para avisar de que ya est\u00e1n ocupadas. Aunque suelo ver a estas mariposas revoloteando con frecuencia, conseguir una foto n\u00edtida de cerca es todo un reto. \u00a1Hizo falta mucha paciencia y un toque de suerte para fotografiarlas en un prado florecido cerca de Barkarby, Suecia!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La blanca verdinervada (Pieris napi) es una mariposa com\u00fan en Europa que guarda un curioso secreto: las venas &#8220;verdes&#8221; del [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":10171,"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":"","ast-disable-related-posts":"","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-5)","background-image":"","background-repeat":"repeat","background-position":"center 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