Wikipedia
Kikiki
Kikiki is a genus of fairyfly wasps containing a single species, Kikiki huna, known from Hawaii, Costa Rica, and Trinidad. At (150 micrometers), it is the smallest known flying insect. It is a close relative of wasps in the genus Tinkerbella. It was discovered by entomologist John S. Noyes after he swept a mesh net through vegetation at Costa Rica's La Selva Biological Station.