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New Pest Response Guidelines - Phytosanitary Resources

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Noctuidae: Spodopotera<br />

Chapter 9. Definitions<br />

Chapter 9. Definitions<br />

Aerial treatment Application of insecticide to a treatment area by aircraft.<br />

Array The arrangement of traps within one square mile.<br />

Array sequence The layout of traps (arrays) from the core area outward to<br />

the perimeter (buffer areas).<br />

Block Units (e.g., 1 square mile area) of a detection survey in which all<br />

survey activities are conducted.<br />

Buffer area Survey area that is:<br />

• Beyond the core block<br />

• 1-2 miles from the perimeter of a regulated area, or<br />

• 50 miles from the core of a regulated area (in an extended survey)<br />

Calling Emission of sex pheromones by the female moth to attract<br />

mates.<br />

Cold treatment Exposure of a host product to cold temperatures lethal to a<br />

target pest. May be used alone or with fumigants.<br />

Confirmed detection A positive identification by a recognized expert.<br />

Containment Application of phytosanitary measures in and around an -<br />

infested area to prevent spread of a pest.<br />

Control Suppression, containment or eradication of a pest population.<br />

Core area An area of 1 square mile surrounding a confirmed detection.<br />

Crepuscular Of an organism, active in twilight hours.<br />

Degree day A measure of physiological time using the accumulation of heat<br />

units (degrees) above an insect’s developmental threshold for a 24-hour<br />

period.<br />

Delimiting survey Determination of the extent of an infestation (e.g.,<br />

distribution, density) in an area where an exotic species has been detected.<br />

Delta trap A five-sided insect trap, configured with three lateral sides<br />

arranged triangularly, equipped with a lure (i.e., pheromone), a baffled edge,<br />

and an adhesive surface inside to capture and secure attracted insects.<br />

Detection The collection of any life stage of an exotic species.<br />

Detection survey An activity conducted in a susceptible area not known to<br />

be infested with an exotic species to determine its presence.<br />

Developmental threshold The minimum and/or maximum temperatures<br />

that support physiological development for a species.<br />

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