A microparticle structure for a slow release of an insect attractant pheromone includes: a core layer and a shell layer. The core layer may include a carrier and a first attractant pheromone, wherein the carrier is formed of a biodegradable material. The shell layer may be a shell including a plurality of microcapsules encapsulating the core layer, wherein the plurality of microcapsules include a chitosan shell and a second attractant pheromone encapsulated by the chitosan shell.本創作係提供一種昆蟲費洛蒙誘引劑緩釋微粒結構,其包含內核層以及外殼層。內核層可包含載體以及被載體包覆的第一費洛蒙誘引劑,載體由生物性可分解材料所構成。外殼層可為包含複數個微膠囊形成的殼體以包覆內核層,複數個微膠囊包含幾丁聚醣外殼以及被幾丁聚醣外殼包覆的第二費洛蒙誘引劑。