Syspastospora parasitica, a mycoparasite of the fungus Beauveria bassiana attacking the Colorado potato beetle Leptinotarsa decemlineata: a tritrophic association

寄生真菌球孢白僵菌（Syspastospora parasitica）寄生于科罗拉多马铃薯甲虫（Leptinotarsa decemlineata）上，形成三营养级共生关系。