You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: TRANSPORTATION 
Clue: An aircraft that can take off & touch down on water or land is called this, like a class of animals
amphibious

Category: AYE AYE, ADMIRAL 
Clue: He died a vice admiral in 1817, that little 1789 mutiny behind him
william bligh

Category: NAMES IN NATURE 
Clue: This common greenhouse pest is named for the white, flourlike substance that covers its body

mealybug