scalicide

plural scalicides

1. countableuncountableA substance that kills scale insects.

   Phenthoate, Cidal, elsan (S - alpha - ethoxycarbonylbenzyl dimethyl phosphorothiolothionate) is a broad-spectrum scalicide/thripsicide/acaricide.

   1977, Pesticides Review, Australia. Department of Health, page 32

   2 more examples

   Mr. Hess. The only Japanese cherry trees that come under my jurisdiction are those that are planted in the Botanic Garden, and they do have a little scale, some of them. We sprayed them last fall with arsenic, for the biting or eating insects, and we sprayed them later on with scalicide for the scale, and we got them pretty clean, but I notice there is some little scale on them. There is not a great deal, however. Mr. Welsh. Did you spray them with any oil solution this spring, in the dormant season? Mr. Hess. We sprayed them with scalicide; yes, sir. The basis of scalicide is kerosene, I think.

   1930, Legislative Establishment Appropriation Bill, 1931: Hearings Before Subcommittee of House Committee on Appropriations […], Washington, D.C.: United States Government Printing Office, page 291

   “Twelve pesticides commonly applied to citrus groves are slated for study in the project’s plots,” reports Tom S. Bellows, UC Riverside assistant entomologist. They include four acaricides (Morestan, Kelthane, Pictran, Vendex), four thripsicides (Cygon, Carzol, Orthene, Sabadilla), and four scalicides (Parathion, Supracide, Lorsban, Sevin).

   1983 May 26, “Pesticide residue effects under study”, in The Californian, volume 25, number 16, Temecula, Calif., page A-11