insecticide
Insecticides are substances used to kill insects. They include ovicides and larvicides used against insect eggs and larvae, respectively. Insecticides are used in agriculture, medicine, industry and by consumers. Insecticides are claimed to b ...
. The original product, invented by chemist Dr. Franklin C. Nelson and launched in 1923 and mainly intended for killing
flies
Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced ...
and
mosquito
Mosquitoes (or mosquitos) are members of a group of almost 3,600 species of small flies within the family Culicidae (from the Latin ''culex'' meaning " gnat"). The word "mosquito" (formed by ''mosca'' and diminutive ''-ito'') is Spanish for "li ...
es, was
mineral oil
Mineral oil is any of various colorless, odorless, light mixtures of higher alkanes from a mineral source, particularly a distillate of petroleum, as distinct from usually edible vegetable oils.
The name 'mineral oil' by itself is imprecise, ...
based and manufactured by the
Standard Oil Company of New Jersey
ExxonMobil, an American multinational oil and gas corporation presently based out of Texas, has had one of the longest histories of any company in its industry. A direct descendant of John D. Rockefeller's Standard Oil, the company traces its roo ...
before the company, now part of
ExxonMobil
ExxonMobil Corporation (commonly shortened to Exxon) is an American multinational oil and gas corporation headquartered in Irving, Texas. It is the largest direct descendant of John D. Rockefeller's Standard Oil, and was formed on November 30, ...
, was renamed first
Esso
Esso () is a trading name for ExxonMobil. Originally, the name was primarily used by its predecessor Standard Oil of New Jersey after the breakup of the original Standard Oil company in 1911. The company adopted the name "Esso" (the phonetic p ...
and later
Exxon
ExxonMobil Corporation (commonly shortened to Exxon) is an American multinational oil and gas corporation headquartered in Irving, Texas. It is the largest direct descendant of John D. Rockefeller's Standard Oil, and was formed on November 30, ...
. The Esso formulation contained 5%
DDT
Dichlorodiphenyltrichloroethane, commonly known as DDT, is a colorless, tasteless, and almost odorless crystalline chemical compound, an organochloride. Originally developed as an insecticide, it became infamous for its environmental impacts. ...
in the late 1940s and early 1950s, before the negative environmental impact of DDT was widely understood. Later marketed as "FLIT MLO", it has since been discontinued. A hand-operated atomizer called a
Flit gun
A Flit gun is a hand-pumped insecticide sprayer used to dispense FLIT, a brand-name insecticide widely used against flies and mosquitoes between 1928 and the mid-1950s. Although named after the well-known brand, "Flit gun" became a generic name f ...
was commonly used to perform the spraying.
The Flit brand name has been reused for another insecticide product, with the primary active ingredient of
permethrin
Permethrin is a medication and an insecticide. As a medication, it is used to treat scabies and lice. It is applied to the skin as a cream or lotion. As an insecticide, it can be sprayed onto clothing or mosquito nets to kill the insects that t ...
, marketed by Clarke Mosquito Control. The current product is most often used to control adult
mosquito
Mosquitoes (or mosquitos) are members of a group of almost 3,600 species of small flies within the family Culicidae (from the Latin ''culex'' meaning " gnat"). The word "mosquito" (formed by ''mosca'' and diminutive ''-ito'') is Spanish for "li ...
es. Spraying it into the air kills adult mosquitoes that are present and then by settling onto surfaces it kills mosquitoes that may later land.
"Quick, Henry, the Flit!"
In 1928, Flit, then marketed by a newly formed subsidiary of Jersey Standard, Stanco Incorporated, became the subject of a very successful long running
advertising
Advertising is the practice and techniques employed to bring attention to a product or service. Advertising aims to put a product or service in the spotlight in hopes of drawing it attention from consumers. It is typically used to promote a ...
tagline
In entertainment, a tagline (alternatively spelled tag line) is a short text which serves to clarify a thought for, or is designed with a form of, dramatic effect. Many tagline slogans are reiterated phrases associated with an individual, so ...
"Quick, Henry, the Flit!"
Seuss's artwork associated with Flit included numerous racial caricatures which, although not unusual for the 1930s, are now seen as racially insensitive.
This advertising campaign continued for 17 years and made "Quick, Henry, the Flit!" a popular catchphrase in the United States.
U-2 fuel
According to Ben Rich (a junior propulsion engineer on the U2 program), some raw material (possibly the solvent) used for the production of FLIT was similar to that used for LF-1A fuel for the
Lockheed U-2
The Lockheed U-2, nicknamed "''Dragon Lady''", is an American single-jet engine, high altitude reconnaissance aircraft operated by the United States Air Force (USAF) and previously flown by the Central Intelligence Agency (CIA). It provides day ...
high altitude reconnaissance aircraft, causing a nationwide shortage of bug spray in 1955. The fuel LF-1A was produced by Shell Oil Company.Rich, Ben R. & Janos, Leo (1994). ''Skunk Works''. Little, Brown & Co. .