Mushi Mushi no Mi, Model: Tonbo

The Mushi Mushi no Mi, Model: Tonbo is a Zoan-type Devil Fruit that allows the user to transform into dragonfly hybrid and full dragonfly at will. It was eaten by Brooke Shephard.

Etymology
"Mushi" (虫) is Japanese for "insect". "Tonbo" is the Japanese word for dragonfly. In the English version, it is called the Bug-Bug Fruit, Model: Dragonfly.