In the body of the male cicada Cryptotympana atrata Fabricius, the authors discovered the largest membrane called the median medtasdnal membrane (MMM)9 which is white, slight transparant and elastic.

• 在雄蚱蝉(Cryptotympana atrata Fabricius)的体内,作者发现了白色略透明,并富有弹性的蝉体内最大的薄膜。