contact insecticide definition

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3 Different Types of Insecticides Explained | DoItYourself.com- contact insecticide definition ,An insecticide destroys, suppress, stupefy, inhibit the feeding of, or prevent infestations or attacks by, an insect and the mode of actions that they work will either be by contact or systemic. Many pesticides are ‘contact’ pesticides. This means to be effective they must …Definitions – University of Wisconsin Pesticide Applicator ...(Excepted from this definition is anyone who applies only nonrestricted-use pesticides at their own home.) Mixer-Loader If you mix or load (or direct the mixing or loading of) pesticides, but do not apply them, you can be considered a mixer-loader. To determine whether you are for-hire or not-for-hire, use similar criteria to those used above ...



contact insecticide | Encyclopedia.com

contact insecticide Any insecticide (see pesticide) that kills its target insect by being absorbed through the cuticle or by blocking the spiracles, rather than by being ingested. Source for information on contact insecticide: A Dictionary of Biology dictionary.

Types of Pesticide Ingredients | Ingredients Used in ...

Dec 21, 2018·Insecticides kill insects and other arthropods. Miticides (also called acaricides) kill mites that feed on plants and animals. Microbial pesticides are microorganisms that kill, inhibit, or out-compete pests, including insects or other microorganism pests. Molluscicides kill snails and slugs.

Residual pesticide vs non-residual pesticide

Question: What is the definition of a residual pesticide and a nonresidual pesticide? ANSWER: Residual insecticides remain effective where they are applied for some length of time. The length of time depends on the formulation (dust, liquid, etc.), the type of surface (soil, brick, wood, etc.) and the condition of the surface (wet, greasy, etc.).

Insecticide — Wikipédia

Les insecticides sont des substances actives ou des préparations phytosanitaires ayant la propriété de tuer les insectes, leurs larves et/ou leurs œufs.Ils font partie de la famille des pesticides, eux-mêmes inclus dans la famille des biocides, tous deux réglementés en Europe par des directives spécifiques.. Le terme générique « insecticide » inclut aussi les pesticides destinés ...

3 Different Types of Insecticides Explained | DoItYourself.com

2. Contact. Contact insecticides act like “bullets” aimed at a target and can only kill insects that are hit by its application. Common household insect spray acts much like a contact insecticide. Because this type must directly hit the insect, it is ineffective as a preventative insecticide…

What does dimethoate mean? - Definitions.net

Definition of dimethoate in the Definitions.net dictionary. Meaning of dimethoate. What does dimethoate mean? Information and translations of dimethoate in the most comprehensive dictionary definitions resource on the web. ... Dimethoate is a widely used organophosphate insecticide used to kill insects on contact. It was patented and introduced ...

Fungicide - Wikipedia

Contact fungicides are not taken up into the plant tissue and protect only the plant where the spray is deposited. Translaminar fungicides redistribute the fungicide from the upper, sprayed leaf surface to the lower, unsprayed surface. Systemic fungicides are taken up and redistributed through the xylem vessels.

Insecticide definition and meaning | Collins English ...

Mar 03, 2021·Insecticide definition: Insecticide is a chemical substance that is used to kill insects. | Meaning, pronunciation, translations and examples

Systemic, Local Systemic, or Translaminar Insecticides ...

Contact insecticides generally provide quick knockdown of target pests. Many insecticides from the older chemical classes –including the organophosphates (that is, chlorpyri-fos and diazinon), carbamates (methiocarb), and pyrethroids (bifenthrin, cyfluthrin, fluvalinate, fen-propathrin, and permethrin) have contact …

Contact insecticide | definition of contact insecticide by ...

contact insecticide: a chemical (e.g. DDT , Malathion) lethal to insects when they alight on a surface coated with the poison. Compare SYSTEMIC BIOCIDE .

Insecticide - an overview | ScienceDirect Topics

The Insecticide Resistance Action Committee (IRAC) (www.irac-online.org) defines resistance as "a heritable change in the sensitivity of a pest population that is reflected in the repeated failure of a product to achieve the expected level of control when used according to the label recommendation for that pest species" Biological, biochemical and molecular methods have been used to identify ...

Contact Insecticides | Texas Imported Fire Ant Research ...

A contact insecticide product is applied to the lawn and landscape surface. It is more expensive that other approaches but may provide better control in smaller areas because ants moving into treated areas are eliminated as long as the chemical is active. Apply a contact insecticide with long residual activity (i.e., fipronil or a pyrethroid ...

What does insecticide mean? - definitions

Definition of insecticide in the Definitions.net dictionary. Meaning of insecticide. What does insecticide mean? ... ingest the insecticide while feeding on the plants. ⁕Contact insecticides are toxic to insects brought into direct contact. Efficacy is often related to the quality of pesticide application, with small droplets often improving ...

Systemic, Local Systemic, or Translaminar Insecticides ...

Contact insecticides generally provide quick knockdown of target pests. Many insecticides from the older chemical classes –including the organophosphates (that is, chlorpyri-fos and diazinon), carbamates (methiocarb), and pyrethroids (bifenthrin, cyfluthrin, fluvalinate, fen-propathrin, and permethrin) have contact …

Contact, systemic and translaminar: How insecticides move ...

Understanding how an insecticide moves, or doesn’t move, in a plant is critical to insecticide/miticide selection and proper application. Contact materials cover only the plant’s surface and insects or mites must directly contact the active ingredient for control.

définition de insecticide de contact - français, grammaire ...

L'invention concerne une composition insecticide destinée à lutter contre les insectes nuisibles appartenant à l'ordre des acariens, qui comprend (a) un composé insecticide de contact, de préférence lambda-cyhalothrine ou deltaméthrine, (b) un composé insecticide systémique, de préférence l'imidacopride, (c) une phéromone ou kairomone insecticide cible, (d) un absorbeur d'UV choisi ...

An Introduction to Insecticides (4th edition) | Radcliffe ...

Imidacloprid is a systemic insecticide, having good root-systemic characteristics and notable contact and stomach action. It is used as a soil, seed or foliar treatment in cotton, rice cereals, peanuts, potatoes, vegetables, pome fruits, pecans and turf, for the control of sucking insects, soil insects, whiteflies, termites, turf insects and ...

What is a pyrethroid insecticide? - Insects in the City

Oct 31, 2018·Pyrethroid insecticides are a special chemical class of active ingredients found in many of the modern insecticides found on store shelves and used by pest management professionals. The name pyrethroid means “pyrethrum-like” and refers to the origin of this class of pesticides. Characteristics of pyrethroids Not all pesticides in the same class are equally toxic, or equally effective …

Insecticides - Definition, Classification, Types ...

Contact – These type of insecticides act like bullets that aim only at a particular target to kill insects by its application. Usually, household insect spray works like contact insecticides as it must directly hit the insect. Classification of insecticides based on chemical nature.

Contact insecticide - definition of Contact insecticide by ...

Contact insecticide synonyms, Contact insecticide pronunciation, Contact insecticide translation, English dictionary definition of Contact insecticide. n. A substance or agent used to kill insects and other arthropods. in·sec′ti·cid′al adj. American Heritage® Dictionary of the English Language, Fifth...

Insecticide - an overview | ScienceDirect Topics

The Insecticide Resistance Action Committee (IRAC) (www.irac-online.org) defines resistance as "a heritable change in the sensitivity of a pest population that is reflected in the repeated failure of a product to achieve the expected level of control when used according to the label recommendation for that pest species" Biological, biochemical and molecular methods have been used to identify ...

Chemical Control -- Conventional Insecticides

Nov 04, 2003·The effectiveness of an insecticide usually depends on when and where the pest encounters it. Most insecticides are absorbed directly through an insect's exoskeleton. These compounds are known as contact poisons because they are effective "on contact". Other insecticides act as fumigants.

Insecticide poisoning: MedlinePlus Medical Encyclopedia

Feb 26, 2021·Insecticide is a chemical that kills bugs. Insecticide poisoning occurs when someone swallows or breathes in this substance or it is absorbed through the skin. This article is for information only. DO NOT use it to treat or manage an actual poison exposure.

Contact poison | chemistry | Britannica

Other articles where Contact poison is discussed: insecticide: …of the body covering (contact poisons). Most synthetic insecticides penetrate by all three of these pathways, however, and hence are better distinguished from each other by their basic chemistry. Besides the synthetics, some organic compounds occurring naturally in plants are useful insecticides, as are some inorganic compounds ...