中国科学家研究证明，蟑螂寄生蜂是蟑螂的天敌，科研人员将蟑螂寄生蜂产过卵的蟑螂卵低温保存，成功地延迟寄生峰的羽化期达1个月至4个月，从而为适时人工释放寄生峰生物防治蟑螂打下基础。浙江省一个科研小组历时10年，基本掌握了蟑螂的种群及分布情况。研究证明，蟑螂几乎无 Chinese scientists have shown that cockroach parasitoids are the natural enemies of cockroaches, researchers cockroach eggs parasitized by cockroaches cryogenic preservation, successfully delayed the emergence of parasitic peaks up to 1 month to 4 months, which is timely artificial release Parasitic peak biological control cockroaches laid the foundation. A research team in Zhejiang Province lasted 10 years, basically mastered the cockroach population and distribution. Studies have shown that cockroaches almost no