{"id":4393,"date":"2026-06-26T09:20:39","date_gmt":"2026-06-26T09:20:39","guid":{"rendered":"https:\/\/pawel.stefanoff.pl\/bugs\/?p=4393"},"modified":"2026-08-16T08:08:43","modified_gmt":"2026-08-16T08:08:43","slug":"2024-07-fascinating-chemistry-of-the-poplar-leaf-beetle-es","status":"publish","type":"post","link":"https:\/\/pawel.stefanoff.pl\/bugs\/es\/posts\/2024-07-fascinating-chemistry-of-the-poplar-leaf-beetle-es\/","title":{"rendered":"De la planta al veneno: La fascinante qu\u00edmica del escarabajo rojo del chopo"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El escarabajo rojo del chopo (<em>Chrysomela populi<\/em>) es un llamativo insecto forestal conocido por su aspecto similar al de una mariquita, que se encuentra en la mayor parte de Europa y Asia. Cuando se sienten amenazadas, las larvas emiten un l\u00edquido aceitoso y de olor fuerte (aldeh\u00eddo salic\u00edlico) a trav\u00e9s de unas gl\u00e1ndulas situadas en su dorso. Ellas mismas fabrican este repelente: extraen la salicina de las hojas de chopo y sauce que consumen y la transforman qu\u00edmicamente dentro de sus gl\u00e1ndulas. Tanto los adultos como las larvas son devoradores voraces, y a menudo consumen tanto follaje que esqueletizan las hojas, dejando atr\u00e1s \u00fanicamente las nervaduras m\u00e1s duras. Me encontr\u00e9 repetidamente con este apuesto escarabajo en muchos lugares boscosos de Suecia.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El escarabajo rojo del chopo (Chrysomela populi) es un llamativo insecto forestal conocido por su aspecto similar al de una 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