Fishing – trapping – and vermin destroying – Vermin destroying – Insect
Patent
1995-06-21
1998-11-24
Hail, III, Joseph J.
Fishing, trapping, and vermin destroying
Vermin destroying
Insect
43114, 43131, 239 43, 239 44, A01M 114, A01M 120
Patent
active
058392211
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention generally concerns a device useful in combating insects, to be referred to hereinafter as "insecticidal device".
BACKGROUND OF THE INVENTION AND PRIOR ART
Controlling insects is a major problem, both in household as well as in agriculture, horticulture and forestry. While conventionally control of insects is performed by spraying an area with an insecticide, such a form of control is very often undesirable due to its adverse ecological effects, as well as its hazardous consequence on the person carrying out the spraying.
In order to circumvent the ecological problems associated with spraying of insecticides, it has been proposed to use diffusers of a poisonous bait liquid. Such diffusers have an absorber body soaked with a liquid comprising an insect attracting agent such as a nutrient or a pheromone, and an insecticide. The insects which are attracted to the absorber body are poisoned and destroyed by the insecticide therein, either upon contact or upon ingestion. One of the major drawbacks of known insecticidal devices of the kind specified is that the absorber body has to be replenished by periodical spraying, which spraying again leads to ecological problems as well as to an acute danger for the person spraying, such an operation being also time consuming and not cost effective.
Devices for use in insect control are disclosed in French Patent Application No. 2,468,305 and in U.S. Pat. No. 4,992,268. The device subject of the French patent application operates on the basis of an adhesive substance which coats an external surface of either panel or a sphere and when an insect lands on the surface of the device, in becomes adhered thereto and thus destroyed. The device subject of the U.S. Patent, which is specifically intended for the monitoring and controlling of the papaya fruit fly, consists of a green or black sphere coated by an adhesive material, which sphere is in combination with a papaya fruit fly sex pheromone held in a tube secured to the sphere and having the property of attracting the flies.
It is the object of the present invention to provide an improved insecticidal device.
GENERAL DESCRIPTION OF THE INVENTION
The present invention has two aspects. An insecticidal device according to the first aspect is based on a novel concept of attracting insects by means of a combination of chemical and visual attractors whereby the insect is diverted from its original target, e.g. a fruit in the case of a fruit fly, towards the insecticidal device. The device in accordance with the second aspect of the invention comprises a novel design of a panel of a kind covered by an adhesive substance whereby insects which come into contact with the panel remain adhered thereto. The panel in accordance with the second aspect may also be used in an insecticidal device in accordance with the first aspect.
According to the first aspect of the present invention there is provided an insecticidal device comprising in combination: liquid container, said body being capable of diffusing said liquid into the surrounding atmosphere; said liquid containing an insect attractant and optionally an insecticide; being adapted to combine with said spherical body in a manner that they form together an essentially flat vertical panel having hemispherical bulges on both faces formed by said spherical body.
Said panel may, be of a rigid or a resilient material. The color of the panel and that or the spherical body have to be chosen in accordance with the type of insect to be combatted. For example, in the case of the fruit fly or the olive fly, yellow color is known to act as an attractant and accordingly, in combatting these insects, the panel will preferably be yellow. Furthermore, in the case of the fruit fly, the spherical body will preferably be red.
In a device in accordance with the first aspect of the invention, the insect attraction is achieved by a unique combination of chemical attraction by the liquid diffused into the environment and a visual attraction by means of a colo
REFERENCES:
patent: 1645715 (1927-10-01), Northrup
patent: 3685199 (1972-08-01), Bradshaw
patent: 3729858 (1973-05-01), Bradshaw
patent: 3987577 (1976-10-01), Hardee
patent: 4992268 (1991-02-01), Landolt et al.
Alon Uri
Paglin Neriel
Reshef Yaron
Ron Eyal
Hail III Joseph J.
Ronpal Ltd.
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