{"id":4438,"date":"2026-06-06T13:45:00","date_gmt":"2026-06-06T13:45:00","guid":{"rendered":"https:\/\/pawel.stefanoff.pl\/bugs\/?p=4438"},"modified":"2026-08-16T10:42:25","modified_gmt":"2026-08-16T10:42:25","slug":"2026-06-autumn-gatherings-of-the-alder-leaf-beetle-en-3","status":"publish","type":"post","link":"https:\/\/pawel.stefanoff.pl\/bugs\/es\/posts\/2026-06-autumn-gatherings-of-the-alder-leaf-beetle-en-3\/","title":{"rendered":"Reuniones de oto\u00f1o: El escarabajo de la hoja del aliso en los bosques suecos\u00a0"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El escarabajo de la hoja del aliso (<em>Agelastica alni<\/em>) es un miembro de la familia de los escarabajos de las hojas (<em>Chrysomelidae<\/em>) que destaca por su color oscuro e iridiscente. Se encuentra ampliamente distribuido por Europa, el C\u00e1ucaso, Siberia y el noreste de Kazajist\u00e1n, y fue introducido en los Estados Unidos en el siglo XIX. Tanto los adultos como sus larvas son famosos por su apetito voraz, centrado en los \u00e1rboles de aliso (<em>Alnus<\/em>). Mientras que los escarabajos adultos mastican agujeros irregulares y antiest\u00e9ticos por toda la copa, son las larvas en desarrollo durante el verano las que causan los da\u00f1os m\u00e1s graves. Al alimentarse en grupos densos y comunitarios, esqueletizan el follaje y pueden defoliar por completo un \u00e1rbol entero. Afortunadamente, a pesar del dr\u00e1stico impacto est\u00e9tico, los alisos sanos suelen recuperarse bien. Mientras caminaba a finales del verano o en oto\u00f1o por un bosque sueco cercano a mi casa, ocasionalmente me top\u00e9 con grandes y llamativas acumulaciones de estos escarabajos, api\u00f1ados mientras se preparan para hibernar.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El escarabajo de la hoja del aliso (Agelastica alni) es un miembro de la familia de los escarabajos de las [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4429,"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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