Relative size of last instar and adult mite midge, Feltiella occidentalis.

Line art illustration of insect size in comparison with a 1-inch ruler also marked in mm. A bug box assembled by UC IPM. Credit: Quayle HJ. 1932. Biology and Control of Citrus Insects and Mites. UC Agric. Exper. Sta. Bull. 542. http://www.archive.org/details/biologycontrolof542quay. Adapted by UC IPM.
Credit: Quayle HJ. 1932. Biology and Control of Citrus Insects and Mites. UC Agric. Exper. Sta. Bull. 542. http://www.archive.org/details/biologycontrolof542quay. Adapted by UC IPM.