Glossary Of Pest Control Terms And Definitions

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  • a

  • Abdomen
    On insects, the third or last major body region which has spiracles on most segments.
  • Active Infestation
    Evidence of present activity by that organism, visible in, on, or under a structure, or in or on debris under the structure.
  • Active Ingredient
    The component in a pesticide product which kills pests or affects pest behavior
  • Adult
    A sexually mature and fully grown arthropod which, in most species, is incapable of further growth.
  • Aerosols
    Ready-to-use pesticide formulations which contain an active ingredient, solvent, and propellant.
  • Allergy
    A sensitivity reaction such as asthma, which develops after an initial exposure to a proteinaceous substance.
  • Anaphylactic
    A hypersensitivity reaction to proteins and other substances which, upon a second exposure, can cause life threatening conditions.
  • Antenna
    The paired segmented sensory structures on the head of an insect; located above the mouthparts and near the eye.
  • Anterior
    Nearer the front, especially situated in the front of the body or nearer to the head.
  • Anthropod
    An invertebrate animal which has a segmented body and jointed appendages; member of the phylum arthropoda.
  • Antigen
    A proteinaceous substance which causes an allergic reaction. In summary an antigen is a molecule that binds to Ag-specific receptors, but cannot necessarily induce an immune response in the body by itself. Antigens are usually peptides, polysaccharides or lipids. In general, molecules other(...)
  • b

  • Bacterium
    Single-celled microorganizms which have no chlorophyll and which multiply by simple division. Some cause diseases and death in insects.
  • Bait
    A pesticide formulation which contains water or food attractant and an active ingredient.
  • c

  • Capitate
    A form of insect antenna which is expanded into a head at the tip.
  • Carton
    In Formosan termites, wasps and hornets, the nest material composed of partially digested wood and soil cemented together with secretions and fecal material.
  • Caste
    In social insects, a group of individuals which have a common functional characteristic such as a worker, soldier, and reproductive.
  • Cephalothorax
    Anterior body region in some arthropods in which the head and thorax are fused.
  • Cercus
    In some arthropods, a pair of segmented appendages located on the dorsal side and tip of the abdomen.
  • Certified Applicator
    A pesticide applicator whom has passed the state certification testing and is authorized to purchase and apply restricted use pesticides.
  • Chelicera
    The paired, typically fang-like anterior projections on many arachnids.
  • Chitin Synthesis inhibitor
    A chemical which affects the formation of the insects exoskeleton and causes death during the molting process.
  • CL-100 Inspection Report
    The official wood-destroying organism report for use in the state of South Carolina.
  • Clavate
    A form of insect antenna which is expanded into a club at the tip.
  • Cocoon
    The silken covering over the pupa which is woven by the last instar larva.
  • Collophore
    In spring tails, the tube-like structure located on the underside of the first abdominal segment.
  • Commensal
    Refers to rodents which live in close association with humans.
  • Complete metamorphosis
    In insects, the developmental life cycle consisting of egg, several larval stages, pupa, and adult.
  • Compound eye
    This type of eye is composed of many individual cells, each having its own facet on the surface.
  • Coxa
    The first leg segment attached to the ventral surface of the thorax.
  • Crochets
    Small hook-like structures found on the underside of the prolegs on moth and butterfly larvae (caterpillars)
  • Cuticle
    The thin three-layer outer surface of the exoskeleton.
  • d

  • Delusory parasitosis
    An individual's imaginary belief that their body is infested with insects.
  • Deutonymph
    In ticks and mites, the second nymphal stage.
  • Dorsal
    Back; upper side; top.
  • Dorsoventrally flattened
    The space between the dorsal and ventral surfaces is narrower than the distance between the two sides; flat like a pancake.
  • Dusts
    A dry pesticide formulation consisting of fine particles of talc or clay which are coated with an active ingredient.
  • e

  • Elbowed
    Bent with a sharp angle approximately at 90 degrees.
  • Elytra
    The first pair of wings typical of most beetles which are heavy, shield-like coverings.
  • Emulsifiable concentrate
    A pesticide formulation composed of an active ingredient, solvent, and emulsifier which readily dissolve in water.
  • Endangered Species Act
    Regulates activities which can affect endangered and threatened animal and plant species.
  • Engorge
    To fill with blood.
  • Entomology
    The study of insects.
  • Entomophobia
    Fear of insects.
  • ESA
    Regulates activities which can affect endangered and threatened animal and plant species.
  • Exoskeleton
    The exterior shell or skeleton characteristic of the phylum arthropoda.
  • f

  • Facet
    The external covering of a single element of the compound eye.
  • FACT
    This law requires private and commercial pesticide applicators to record the use of restricted-use pesticides.
  • Federal Food, Drug, and Cosmetic Act
    The law establishing tolerances and acceptable levels of certain pesticides in food.
  • Federal Insecticide, Fungicide, and Rodenticide Act
    This is the most comprehensive law regulating pesticide use, registration, labeling, applicator training and certification, and enforcement.
  • Femur
    The third lef segment between the trochanter and the tibia
  • Festoons
    In many hard ticks, the rectangular areas on the posterior edge of the abdomen.
  • FFDCA
    The law establishing tolerances and acceptable levels of certain pesticides in food.
  • FIFRA
    This is the most comprehensive law regulating pesticide use, registration, labeling, applicator training and certification, and enforcement.
  • Filiform
    A form of insect antenna which typically consists of many segments and is long and thread-like.
  • Flowable
    A liquid pesticide formulation composed of finely ground particles of the active ingredient which mix with water to form a suspension.
  • Fontanelle
    In some termites, a small pore on the front of the head.
  • Food, Agriculture, Conservation, and Trade Act
    This law requires private and commercial pesticide applicators to record the use of restricted-use pesticides.
  • Franchise
    The right or license granted to an individual to market a company's goods or services in a particular territory.
  • Frass
    Solid fecal material; wood fragments typically mixed with excrement produced by wood infesting insects.
  • Fumigant
    A gas which, under proper conditions, readily penetrates all areas within a confined space and kills all life forms present
  • Fungus
    A plant which does not contain chlorophyll
  • Furcula
    In springtails, the fork-like structure attached to the tip of the abdomen
  • g

  • Genal comb
    In fleas, a row of very heavy spines projecting downward from the front part of the head.
  • Granules
    A dry pesticide formulation consisting of particles, usually vermiculite, larger than those used in dusts, which are coated with an active ingredient.
  • h

  • Haltere
    In flies (Diptera), the knob-like structure which aids in maintaining blance during flight and is attached to the metathorax in place of the second pair of wings.
  • Hastasetae
    Spear-headed setae (hair) usually found in clusters on dermestid beetle larvae.
  • Hazardous Materials Transportation Act
    This law regulates the transportation of hazardous materials and pertains to very few pesticides.
  • Head
    On insects, the first major body region composed of the eyes, antennae, and mouthparts.
  • HMTA
    This law regulates the transportation of hazardous materials and pertains to very few pesticides.
  • Hypopharynx
    In insect mouthparts, the tongue-like structure located in front of the labium and in the center of the other mouthparts.
  • Hypostome
    In ticks, the tube located in the center of the mouthparts.
  • i

  • IGR
    Synthetic chemical analogous to insect juvenile hormones which regulate growth and development in insects.
  • Inert ingredient
    A component of a pesticide which aids in dissolving the active ingredient and facilitates its use.
  • Insect growth regulator
    Synthetic chemical analogous to insect juvenile hormones which regulate growth and development in insects.
  • Insecticide
    An insecticide is a substance used to kill insects.[1] They include ovicides and larvicides used against insect eggs and larvae, respectively.
  • Instar
    The stage between molts.
  • Integrated pest management
    A decision-making process that anticipates and prevents pest activity and infestation by combining various strategies to achieve long-term solutions. Components of an IPM program may include proper waste management, structural repair, maintenance, biological and mechanical control techniques,(...)
  • IPM
    A decision-making process that anticipates and prevents pest activity and infestation by combining various strategies to achieve long-term solutions. Components of an IPM program may include proper waste management, structural repair, maintenance, biological and mechanical control techniques,(...)
  • l

  • Labium
    In insect mouthparts, the lower lip located behind the other mouthparts.
  • Labrum
    In insect mouthparts, the upper lip located above the mandibles.
  • Larva
    The developmental stages etween the egg and pupa in insects with complete metamorphosis. In mites and ticks, the six-legged stage between the egg and nymphs.
  • Larvacide
    An insecticide which targets the larval stage of insects with complete metamorphosis
  • m

  • Mandible
    In insect mouthparts, the jaw.
  • Maxilla
    In insect mouthparts, the typically jaw-like structure which may have a palp; located behind the mandible.
  • Mesothorax
    The second and middle segment of the insect thorax and the point of attachment for the second pair of legs and the first pair of wings.
  • Metamorphosis
    The development and change an arthropod undergoes from the egg to adult.
  • Metathorax
    The third and last segment of the insect thorax and the point of attachment for the third pair of legs and second pair of wings.
  • Microencapsulated
    A pesticide formulation which consists of a liquid or dry active ingredient surrounded by a plastic coating which gradually releases the active ingredient.
  • n

  • Naiad
    The developmental stages between the egg and adult in aquatic insects with simple metamorphosis.
  • National Pest Management Association
    An international/national member-association of pest control operators located in Fairfax, Virginia (www.pestworld.org)
  • Nematodes
    Unsegmented soil-inhabiting worms which are parasitic on plants and animals.
  • NPMA
    An international/national member-association of pest control operators located in Fairfax, Virginia (www.pestworld.org)
  • Nymph
    The developmental stages between the egg and adult in terrestrial insects with simple metamorphosis. In ticks and mites, the eight-legged stage between the larva and adult.
  • o

  • Occupational Safety and Health Act
    A law which requires employers to provide a reasonably safe work environment and inform employees of potential health hazards associated with their jobs.
  • Ocellus
    A small, simple eye composed of a single facet or lens. The term "ocellus" (plural ocelli) is derived from the Latin oculus (eye), and literally means "little eye".
  • Ocetheca
    The purse-shaped egg capsule common on cockroaches.
  • OSHA
    A law which requires employers to provide a reasonably safe work environment and inform employees of potential health hazards associated with their jobs.
  • Ovipositor
    In some insects, a long projection which extends from the tip of the abdomen and is used to lay eggs.
  • p

  • Parasite
    An organism which lives in or on another organism from which it derives food and shelter.
  • Pathogenic
    The ability of a microorganism to cause disease
  • Pedicel
    The waist or small segment in ants and some bees and wasps; in ants, it is composed of one or two segments (nodes); in insects, the second antennal segment.
  • Pest Control
    The periodic eradication of pests.
  • Pheromone
    A chemical usually excreted outside the body and used for communication within a species
  • Pincers
    In some insects, the forceps-like structure at the tip of the abdomen.
  • Predator
    An organism which captures, kills, and eats its prey for food.
  • Pretarsus
    The sixth and last leg segment located after the tarsus and usually consisting of one or two claws and a pd-like structure.
  • Proboscis
    In some arthropods, the long extension of the mouthparts used for sucking food; a beak
  • Proleg
    Paired abdominal processes used for locomotion by butterfly and moth larvae (caterpillars) and few other insect larvae.
  • Pronotal comb
    In fleas, the stout spines located along the posterior margin of the first body segment behind the head.
  • Pronotum
    The top or dorsal plate on the prothorax.
  • Protonymph
    In ticks and mites, the first nymphal stage.
  • Pupa
    The developmental stage between the larval and adult stages in insects with complete metamorphosis.
  • Pyrethrin
    A natural insecticide derived from chrysanthemum plants which is irritating to many insect species and is used to flush them out of harborage areas; a toxicant
  • r

  • Restricted-use pesticide
    A product which is determined by the US EPA to cause adverse environmental effects even when used according to the label. These products can be applied only by or under the direct supervision of a certified applicator.
  • Rodenticide
    Colloquially rat poison, are typically non-specific pest control chemicals made and sold for the purpose of killing rodents.
  • s

  • Serrate
    A saw-like form of insect antenna.
  • Simple metamorphosis
    In insects, the developmental life cycle consisting of egg, several nymphal or naiad stages, and adult.
  • Soluble powders
    A dry pesticide formulation which dissolves in water to form a true solution.
  • Solutions
    A liquid pesticide formulation which dissolves readily in water or petroleum based solvent.
  • Spiracle
    The exterior opening of the respiratory system.
  • Stinger
    A modified ovipositor which is used to inject venom
  • Swarmer
    In termites and ants, the winged reproductive stage which leaves the nest in mass to reproduce.
  • Synergist
    a component frequently added to a pesticide product in order to enhance the activity of the active ingredient.
  • t

  • Tarsus
    The fifth leg segment located between the tibia and the pretarsus; often composed of several segments.
  • Technician
    A person who inspects structures and makes the application of pesticides to control pests.
  • Termite Control
    The control or elimination of wood destroying termites.
  • Thorax
    The middle section of the insect body which is composed of three segments - prothorax, mesothorax, and the metathorax; the point of attachment for the legs and wings.
  • Tibia
    The fourth leg segment located between the femur and the tarsus.
  • Trochanter
    In insect legs, the second segment located between the coxa and femur.
  • u

  • ULD
    In outdoor use, the application of very small quantities of a pesticide, e.g.. an few ounces per acre.
  • Ultra low dosage
    In outdoor use, the application of very small quantities of a pesticide, e.g.. an few ounces per acre.
  • Ultra low volume
    In indoor use, the application of very small quantities of a pesticide, e.g. an ounce per 1,000 cubic feet.
  • Ultra-Violet
    A wavelength of light which is very attractive to many insect species.
  • ULV
    In indoor use, the application of very small quantities of a pesticide, e.g. an ounce per 1,000 cubic feet.
  • United States Environmental Protection Agency
    The regulatory agency responsible for pesticide registration and implementation of training and certification programs for certified pest control operators.
  • US EPA
    The regulatory agency responsible for pesticide registration and implementation of training and certification programs for certified pest control operators.
  • UV
    A wavelength of light which is very attractive to many insect species.
  • v

  • ValuePest
    America’s low price leader in termite and pest control; the guaranteed solution to your home’s pest problems.
  • ValuePest System
    The smartest way to buy home pest prevention; termite and pest control combination service that saves homeowner’s 50%.
  • w

  • WDIR
    The official wood-destroying insect report for use in the state of North Carolina.
  • Wettable powder
    A dry dust pesticide formulation designed for dispersal in water.
  • Wood-Destroying Insect Report
    The official wood-destroying insect report for use in the state of North Carolina.
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