Altus Lacy Quaintance

Altus Lacy Quaintance (December 19, 1870 – August 7, 1958) was an American naturalist.
Quaintance was born in New Sharon, Iowa, and received a Bachelor of Science at the Florida Agricultural College at the University of Florida in 1893, a Master of Science from the Polytechnic Institute in Alabama in 1894 and at the same location, a Doctor of Sciences in 1915. From 1894 to 1902, he taught biology and entomology at the University of Florida and then to the agricultural experimental station of Georgia, and also as an entomologist at the University of Maryland. In 1903, he was hired at the Department of Entomology USDA before doing research on insect pests of fruit trees in the new office of entomology, a function that he retained until his retirement in 1930. Quaintance was also the President of the Entomological Society of Washington, and was called to testify before Congress on an Agricultural Appropriation bill.
In Maryland, Quaintance was a resident of White Oak. He died in Lake City, Florida.

Partial list of publications

• With William Moore Scott Spraying peaches for the control of brown-rot, scab, and curculio (U.S. Dept. of Agriculture, 1911).
• Contributions toward monograph of American Aleurodidae; Red spiders of U.S. (Tetranychus and Stigmaeus) (1900).
• With Arthur Challen Baker (1875–1959) Control of aphids injurious to orchard fruits, currant, gooseberry and grape (1920).
• Cotton bollworm (1903–1904).
• Fumigation of apples for San Jose scale (1909).