1) Homopteran 2) Homopterous insect 
==Agricultural threat== The ability of whiteflies to carry and spread disease is the widest impact they have had on global food production. In the tropics and subtropics, whiteflies have become one of the most serious crop protection problems. Economic losses are estimated in the hundreds of millions of dollars. While several species of whitefly c...
any sap-sucking member of the insect family Aleyrodidae (order Homoptera). The nymphs, resembling scale insects, are flat, oval, and usually covered ... [2 related articles]
[n] - minute insect that feeds on plant juices
noun minute insect that feeds on plant juices; related to scale insects