Fishing – trapping – and vermin destroying – Traps – Insect
Patent
1980-11-03
1984-01-03
Lin, Kuang Y.
Fishing, trapping, and vermin destroying
Traps
Insect
A01M 110
Patent
active
044235640
DESCRIPTION:
BRIEF SUMMARY
DESCRIPTION
This invention relates to traps and trapping techniques for trapping pests and is especially, but not exclusively, related to trapping crawling insects, such as cockroaches, for example, Periplaneta americana, Blatella germanica and Blatta orientalis (black beetle) or arachnid pests, such as spiders.
Cockroaches are inquisitive but very wary insects and, as a consequence, are extremely difficult to trap, particularly in sufficient numbers to substantially reduce an infesting colony. Many different types of known cockroach traps are available but are limited in their trapping efficiency due to the instinctively cautious nature of these insects.
Also it has been found that cockroaches are able to sense the presence of local electromagnetic radiation, such as an electric field, under certain circumstances, which phenomenon tends to reduce substantially the trapping efficiency of known electrical cockroach traps.
An object of the present invention is to provide a method of trapping pests, say, insects, such as cockroaches, in sufficiently large numbers to substantially reduce an infesting colony.
Another object of the invention is to provide a trap for trapping pests which is comparatively simple and economical to manufacture, which can be easily transported and handled, and which eliminates the disadvantages, such as the low trapping efficiencies, associated with known traps.
In accordance with one aspect of the invention, there is provided a method of trapping pests comprising:
(a) providing a surface which is accessible to pests and which can be either in a pest-supporting condition or in a pest-dislodging condition;
(b) associating a trapping zone with the surface so as to receive pests dislodged therefrom;
(c) maintaining the surface in the pest-supporting condition and then changing it to the pest dislodging condition, whereby any pest received and supported on the surface is dislodged into the trapping zone; and
(d) retaining any such dislodged pest in the trapping zone.
In accordance with another aspect of the invention, there is provided a pest trap comprising a surface which can be changed from a pest-supporting condition to a pest-dislodging condition, a trapping zone associated with the surface for receiving pests dislodged therefrom and pest-retaining means associated with the trapping zone.
The pests may be dislodged from the surface either mechanically or electrically. Also, an attractant may be used to lure the insect or other pest on to the surface. Such an attractant could be in the form of food or, in the case of an insect, such as a cockroach, a pheromone attractant could be used.
In order that the invention may be more fully understood, a preferred form of cockroach trap will now be described by way of example and with reference to the accompanying drawing which shows a cross-sectional elevation of the trap.
As shown in the drawing, a cockroach trap comprises a substantially triangularly cross-sectioned housing 1, with opposed inclined surfaces 6 each leading to a respective, inwardly extending and downwardly inclined, cockroach-receiving surface formed from an electrically insulating panel 2 upon whose upper surface are located spaced, parallel strip conductors 3. Beneath the lower edges of the panels 2 is located a trapping zone in the form of a removable tray 4 with a sticky insert 5 positioned therein.
The conductors 3 are connected to an electrical multivibrator circuit (not shown) housed in the upper portion 7 of a cover 8 for the trap. Between the cover and surfaces 6 is defined a gap along which cockroaches can crawl to the inwardly extending and downwardly inclined surfaces. The multivibrator circuit causes alternate conductors 3 to be pulsed for a period of not more than 1 second, at predetermined time intervals of 10 seconds, with 300-400 volts DC. However, alternate conductors 3 can be pulsed with voltages of 100 volts to 1 kilovolt at predetermined time intervals of 1 second to 1 minute, but preferably 10 seconds to 30 seconds, depending upon the type of cockroach
REFERENCES:
patent: 3935662 (1976-02-01), Hamid
patent: 4144668 (1979-03-01), Darncharnjitt
patent: 4208828 (1980-06-01), Hall
patent: 4227333 (1980-10-01), Levinson et al.
patent: 4263740 (1981-04-01), Hemsarth
Baker Raymond
Davies Alan R.
Evans David A.
Harris George
Howse Philip E.
Jordan M.
Lin Kuang Y.
OECOS Ltd.
The University of Southampton
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