{"id":7042,"date":"2026-06-17T09:45:41","date_gmt":"2026-06-17T09:45:41","guid":{"rendered":"https:\/\/pawel.stefanoff.pl\/bugs\/?p=7042"},"modified":"2026-07-27T10:51:06","modified_gmt":"2026-07-27T10:51:06","slug":"2026-06-gentle-saw-bearing-giants-of-the-forest-es","status":"publish","type":"post","link":"https:\/\/pawel.stefanoff.pl\/bugs\/es\/posts\/2026-06-gentle-saw-bearing-giants-of-the-forest-es\/","title":{"rendered":"Unas avispas sin aguij\u00f3n: Las pac\u00edficas moscas de sierra del bosque"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Les presento a las moscas de sierra del g\u00e9nero <em>Dolerus<\/em> (familia <em>Tenthredinidae<\/em>), unas imitadoras de las avispas que, en realidad, son completamente inofensivas. Aunque sus cuerpos oscuros y a menudo metalizados puedan imponer respeto, estos apacibles insectos carecen de aguij\u00f3n. Su nombre com\u00fan se debe al asombroso ovipositor de las hembras, que est\u00e1 dise\u00f1ado como una sierra biol\u00f3gica con la que realizan cortes precisos en los tejidos de las plantas para depositar sus huevos. A diferencia de las avispas verdaderas, que suelen ser cazadoras implacables, las larvas de Dolerus son estrictamente vegetarianas. Con un aspecto casi id\u00e9ntico al de las orugas de mariposa, pasan cerca de un mes aliment\u00e1ndose de gram\u00edneas, juncos y colas de caballo. Los adultos son igual de pac\u00edficos: vuelan de flor en flor para alimentarse de n\u00e9ctar y savia, actuando como beneficiosos y accidentales polinizadores en nuestros campos. Adem\u00e1s, son extremadamente tolerantes al fr\u00edo, figurando entre los primeros insectos en emerger tras el invierno, incluso en d\u00edas frescos y h\u00famedos. Tienen una sola generaci\u00f3n al a\u00f1o y pasan los meses fr\u00edos bajo tierra en estado de pupa. Me cruc\u00e9 con este impresionante ejemplar de color negro azabache a principios de junio en un bosque sueco, y tuvo la amabilidad de quedarse quieto para posar en un par de fotos antes de continuar con su rutina.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les presento a las moscas de sierra del g\u00e9nero Dolerus (familia Tenthredinidae), unas imitadoras de las avispas que, en realidad, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":7031,"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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