Yellows n. : A disease of the bile in horses, cattle, and sheep, causing yellowness of the eyes; jaundice.

Yellows n. : A disease of plants, esp. of peach trees, in which the leaves turn to a yellowish color; jeterus.

Yellows n. : A group of butterflies in which the predominating color is yellow. It includes the common small yellow butterflies. Called also redhorns, and sulphurs. See Sulphur.

Example:
How many adult Electric Yellows will a 100-gallon tank accommodate?

Taxonomy
Elm Yellows, tree, Elm, leafhoppers, infected, disease, Tree diseases, Dutch Elm Disease, Phloem Necrosis, root grafts, phytoplasmas, nutrients, free encyclopedia, death, transmission, Penn State, elm trees, symptoms.

Defination from the web:
Yellows occurs in the Eastern US and Southern Ontario. ... Since elms are planted lining malls or streets Elm Yellows can travel directly from tree to tree, with out having to be transmitted by leafhoppers. ...