Insect type (3)
(Other definitions for fly that I've seen before include "needs to get away" , "Two-winged insect" , "SECOND PART OF 14" , "Travel through the air" , "Flee" .)
(Other definitions for grasshopper that I've seen before include "Excellent jumper" , "Insect (that won't stay still for long?)" , "six-footer with extra powerful legs" , "Jumping insect" , "Chirping insect" .)