{"id":5305,"date":"2025-07-05T19:13:44","date_gmt":"2025-07-05T19:13:44","guid":{"rendered":"https:\/\/pawel.stefanoff.pl\/bugs\/?p=5305"},"modified":"2026-06-28T19:32:49","modified_gmt":"2026-06-28T19:32:49","slug":"2025-07-the-black-striped-longhorn-beetle-in-poland-and-sweden-es","status":"publish","type":"post","link":"https:\/\/pawel.stefanoff.pl\/bugs\/es\/posts\/2025-07-the-black-striped-longhorn-beetle-in-poland-and-sweden-es\/","title":{"rendered":"Protectores vigilantes: El dimorfismo del escarabajo longicornio de franjas negras\u00a0"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El escarabajo longicornio de franjas negras (<em>Stenurella melanura<\/em>) es una especie europea ampliamente distribuida que pertenece a la subfamilia de los longicornios de las flores (<em>Lepturinae<\/em>). Con una longitud de apenas 6 a 11 mil\u00edmetros, este escarabajo presenta un notable dimorfismo sexual. Los machos son generalmente m\u00e1s peque\u00f1os y poseen \u00e9litros (cubiertas alares) de color marr\u00f3n amarillento, mientras que las hembras \u2014ligeramente m\u00e1s grandes\u2014 lucen \u00e9litros de un tono marr\u00f3n rojizo brillante con una marcada y gruesa franja negra que recorre el centro. Despu\u00e9s de la c\u00f3pula, el macho suele permanecer montado sobre el lomo de la hembra durante un per\u00edodo prolongado; este comportamiento de &#8220;guarda de pareja&#8221; evita eficazmente que machos rivales se acerquen o se apareen con ella. Mientras sus larvas se desarrollan en el interior de madera muerta, h\u00fameda y en descomposici\u00f3n de \u00e1rboles tanto frondosos como con\u00edferas, los adultos emergen entre mayo y septiembre. Son voladores diurnos muy activos que suelen actuar como polinizadores vitales mientras buscan n\u00e9ctar y polen en una gran variedad de flores silvestres. Me encuentro con estos llamativos ebanistas casi todos los veranos en varios pa\u00edses europeos.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El escarabajo longicornio de franjas negras (Stenurella melanura) es una especie europea ampliamente distribuida que pertenece a la subfamilia de [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":5286,"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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