“We’ve done a pretty good job of categorizing from the size of a fly up, ” but anything below that is far less known, said Joel Cracraft of the American Museum of Natural History in New York.
“身体比蝇类大的物种的分类工作已经非常完善了，”但是，对身体更小的物种就知之甚少了，位于纽约的美国国家历史博物馆的 Joel Cracraft 说。