{"id":6692,"date":"2026-06-02T17:00:14","date_gmt":"2026-06-02T17:00:14","guid":{"rendered":"https:\/\/pawel.stefanoff.pl\/bugs\/?p=6692"},"modified":"2026-08-14T17:42:48","modified_gmt":"2026-08-14T17:42:48","slug":"2026-06-the-saddleback-harvestman-in-sweden-es","status":"publish","type":"post","link":"https:\/\/pawel.stefanoff.pl\/bugs\/es\/posts\/2026-06-the-saddleback-harvestman-in-sweden-es\/","title":{"rendered":"Sacrificar una pata para vivir: La extra\u00f1a defensa de los segadores"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Les presento al segador <em>Rilaena triangularis<\/em>, una especie de ar\u00e1cnido del orden <em>Opiliones<\/em>, ampliamente distribuido por Europa y partes de Am\u00e9rica del Norte. Aunque a menudo se les confunde con ara\u00f1as, los opiliones tienen un solo segmento corporal fusionado y un sistema nervioso muy centralizado. Al carecer de veneno y de seda, no tejen redes; en su lugar, rondan en la oscuridad utilizando su inusualmente largo segundo par de patas no para caminar, sino estrictamente como &#8220;antenas&#8221; sensoriales para explorar su entorno en busca de peque\u00f1os invertebrados, hongos o materia vegetal en descomposici\u00f3n. Pero su mejor truco de supervivencia es la autotom\u00eda defensiva: si un depredador los sujeta de una pata, el opili\u00f3n puede desprenderse de ella al instante para escapar. La extremidad amputada continuar\u00e1 retorci\u00e9ndose sola durante varios minutos, distrayendo por completo al atacante. Es una estrategia simple pero brutalmente efectiva, y vaya si funciona, \u00a1ya que estas fascinantes criaturas han permanecido pr\u00e1cticamente id\u00e9nticas durante m\u00e1s de 400 millones de a\u00f1os!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les presento al segador Rilaena triangularis, una especie de ar\u00e1cnido del orden Opiliones, ampliamente distribuido por Europa y partes de 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