赤眼蜂屬 赤眼蜂屬學名 Trichogramma是膜翅目細腰亞目寄生蜂下目之下的小蜂总科赤眼蜂科的成員之一其物種皆為多食性英语polyphagous的微小拟寄生物寄生於其牠昆蟲的蟲卵中赤眼蜂屬是赤眼蜂科約個屬的其中一個在全世界包括超過個物種成蟲大多小於毫米會產卵於宿主卵内幼蟲取食卵黄化蛹並引發宿主死亡成蟲羽化後咬破寄主卵殼而出 儘管現時在全世界有多種用於生物防治的物種本屬物種仍然是研究得最詳盡的一類有超過一千份相關的文獻與本屬物種相關也是目前世上於生物防治中 最常用的物種 Trichogramma spp are unique in approaching the size limit of how small an insect can be which would be determined by how few neurons they can fit in their central nervous systems yet exhibiting a complex behavior to sustain their lives These wasps have less than  neurons which is th that of the next smallest insect