Insects of the order Diptera, sometimes referred to as “true flies,” including house flies, horse flies, stable flies, bottle flies, flesh flies, black flies, sand flies, and mosquitoes, are often significant disease vectors, nuisances, and pests. For example, the house fly, Musca domestica L. (Diptera: Muscidae), is one of the most important hygiene pests worldwide. True flies are not only a nuisance, irritating people and animals and leaving regurgitation and fecal spots on surfaces, but they are also vectors of pathogens that may cause serious diseases in humans and animals.
Similarly, insects of the order Hymenoptera, which include flying insects such as sawflies, social wasps, and bees, are also significant nuisances and pests. Social wasps, including paper wasps, hornets, and yellowjackets, are a significant hazard to people and animals engaged in outdoor activities due to their painful and potentially deadly stings. Such flying insects can be prevalent in rural settings and in very well-developed residential areas. Pestiferous insects from other orders, flying and otherwise, are also known, for example in agricultural and greenhouse settings and in other commercial venues, including, for example, meat packing factories, food processing facilities, and livestock ranches. Significant efforts are directed to combating the problems caused by pest insects, including the use of chemical control means such as pesticides, which may be annoying and/or harmful to persons or non-target animals. Many insects such as house flies and the like have developed resistance against commonly used insecticides due to typically high reproductive rates. Moreover, insecticides that are effective against pestiferous insects may not be an attractive option to persons having concerns regarding personal health effects, environmental effects, and the like.
As a part of environmentally sound pest control strategies, insect traps baited with benign semiochemicals and/or with visual attractants (for flying or walking insects) have been quite successful at attracting and trapping target insects and are known in the art. See, for example, U.S. Pat. No. 9,015,988 to Zhang et al., which is hereby incorporated by reference.
Insect traps that use an adhesive to capture flying insects, for example fly paper, fly strips, and fly ribbons, are well-known in the art, and are sometimes referred to conventionally as “sticky traps”. Insect traps that use an adhesive to entrap insects have obvious safety and environmental advantages, for example they do not require the use or widespread application of toxic chemicals. For example, certain adhesive traps commonly referred to as “yellow sticky cards” (also called “yellow sticky traps”), are well known adhesive traps for combatting damaging insects, and are typically an important part of an Integrated Pest Management (IPM) program in agricultural settings. Yellow sticky cards are widely used for monitoring and/or mass-trapping target pest insects such as fruit flies, fungus gnats, whiteflies, aphids, leaf miners, thrips, psyllids, leafhoppers, buprestid beetles, etc., in both greenhouses and field crops. A cylindrical pillar device that is suitable for use as a sticky trap is disclosed in U.S. Pat. No. D700,269 to Chapin et al., issued on Feb. 25, 2014. Such adhesive traps are suitable for catching various flying insects including, for example, pestiferous social wasps, carpenter bees, biting flies, and nuisance flies.
Typically, sticky traps are coated with adhesive covering all or a portion of a planar or curved surface of the trap. The adhesive is exposed for entrapping insects that crawl, walk, alight or otherwise engage the adhesive surface. Although adhesive strips, sticky cards or pillar/stick traps have found success, a risk associated with traps that rely on an exposed adhesive to entrap flying insects is that nontarget species, including for example, birds, bats or other small animals, may inadvertently become ensnared by the adhesive, which can result in injury to the nontarget species and/or destruction of the trap. The exposed sticky surfaces may also create an annoyance to users, for example by transferring adhesive onto a user's hands/fingers or gloves when handling the traps, or adhering to clothing, tools, or other implements.
Prior art solutions for reducing the entanglement of nontarget species with adhesive traps have had some success, for example pillar/stick traps available under the RESCUE! and TRAPSTIK registered trademarks for flies, wasps, and carpenter bees may be provided with fence-type guards. See, for example, U.S. Pat. No. D831,782, issued on Oct. 23, 20218; U.S. Pat. No. D846,059, issued on Apr. 16, 2019; U.S. Pat. No. D873,949, issued on Jan. 28, 2020; U.S. Pat. No. D915,544, issued on Apr. 6, 2021; and U.S. Pat. No. 10,980,224, issued on Apr. 20, 2021, which are hereby incorporated by reference. Adhesive traps with bird guards have had significant success in reducing the inadvertent entanglement of birds and bats; however, in addition to the added costs, bird guards may also reduce the numbers of target insects captured by the trap due to the physical blockage of visual attractors on the traps, and/or the particular landing activity of the target insects.
There remains a need for insect sticky traps that minimize or eliminate the bird/bat by-catch, improves the user experience in setting up the trap, and keep high trapping efficacy of the target insects. An adhesive insect trap that prevents or reduces the entrapment of nontarget species, and that allows the user to handle the trap without accidental contact with the adhesive feature of the trap, without requiring blocking guards or the like, is disclosed.
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This summary is not intended to identify key features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
An adhesive trap is disclosed that includes a corrugated panel defining a plurality of channels connected by convex peaks, the peaks having a width. A pressure sensitive adhesive is applied only to the plurality of channels, and the convex peaks of the corrugated panel are free of any adhesive.
In an embodiment the pressure-sensitive adhesive comprises a bead of adhesive, and in some embodiment the bead of adhesive defines an outward-facing planar surface.
In an embodiment the pressure-sensitive adhesive comprises a thin adhesive layer.
In an embodiment a linerboard is fixed along a face of the corrugated panel.
In an embodiment the plurality of channels have a height that is between 1/32 inches and 1 inch inclusive.
In an embodiment the corrugated panel comprises between 50 corrugations per meter and 500 corrugations per meter.
In an embodiment the corrugated panel is flat or curved.
In an embodiment the corrugated panel comprises a tubular pillar, for example the tubular pillar may have a circular, hexagonal, triangular, or rectangular cross section.
In an embodiment the plurality of channels are parallel channels.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
The foregoing aspects and many of the attendant advantages of the disclosed subject matter will become more readily appreciated as the same become better understood by reference to the following detailed description, when taken in conjunction with the accompanying drawings, wherein:
Examples of an adhesive trap configuration are disclosed, which provides one or more corrugated surfaces or panels, wherein the adhesive panels are easier to handle and are less likely to entrap larger, non-target animals or to be damaged by inadvertent interaction with larger animals or the like. As used herein a corrugated panel (or corrugated sheet) is defined conventionally as a panel “shaped into wavy folds or alternating furrows and ridges” (see www.dictionary.com). The adhesive trap construction disclosed herein may be applied to a variety of pests, for example arthropods (e.g., insects), arachnids (e.g., spiders), reptiles, amphibians, small mammals (e.g., rats, mice, etc.), and the like, providing a new tool for combatting pestiferous and/or disease-vector critters.
Different corrugated panels or surface structures are contemplated. For example, a common corrugated material on the market is a single face corrugated fiberboard (for example, “corrugated paper-based cardboard”), having a fluted corrugated surface on one side of the sheet and a flat linerboard on an opposite side of the sheet. The flat bottom linerboard can be replaced with a single, double, or triple wall board to increase the strength of the overall cardboard structure. In some embodiments, the corrugated surface may also be made of relatively sturdy materials, such as fiberglass, plastic, or glass, and may omit the linerboard. These materials can have any level of opacity, can be translucent, and/or can be clear. In some embodiments, materials can have color or be colorless.
In
In
The size and shape of the channels C in the corrugated panels, and type and quantity of adhesive provided in the channels C may be optimized for a particular application. For example, the pest 90 is shown in
Optimal sizes and shapes of the corrugated flutes may also take into consideration typical human finger sizes to minimize user entanglement, as well as glue application requirements, coating area, etc. Common sizes of single-face corrugated flutes (paper cardboards) are A, B, C, E, and F flutes, the characteristics of which are set forth in Table 1 below. Flute thickness (height), wavelength (pitch) as well as paper (or plastic) thickness for flutes and flat linerboard are variables that can be adjusted to be optimized for different target insects and/or applications. For sturdy plastic, glass or fiberglass corrugated surfaces, no linerboard is needed. For example, a corrugated panel may be stood upright or hung with the adhesive applied in furrows on both sides of the panel; thus, the flute types and sizes for the single-face paper cardboards are contemplated for the more rigid materials without linerboard.
In some embodiments, the corrugated panel is flexible, and is configured to wrap around a fixed object, for example a tree trunk, or a movable object such as a movable container or post. For example, the corrugated panel may be formed as a flexible elongated panel, which is configured to be installed as a spiraled wrap around the movable or fixed object. It is contemplated, for example, that a corrugated panel may include adhesive in the channels of one or both sides of the panel and is wrapped around the base of the object. In some embodiments it may be preferable to install corrugated adhesive panels in alternating arrangements with adhesive applied on opposite sides of adjacent panels. The particular pattern of the adhesive placement may be configured to the specific behavioral characteristics of the pest targeted by the particular application.
In representative embodiments, the adhesive may be any pressure sensitive adhesive (“PSA”), or other type of glues that will adhesively ensnare a target insect. It is contemplated that the adhesive may be applied using (i) one or more spray heads (air spray or airless spray), (ii) wheel/roller systems, (iii) jetting systems, (iv) slot applicators/extruders, and/or (v) brush and/or trowel systems, for example. Other adhesive application systems as are known in the art may alternatively be used, including applying or printing narrow strips of adhesives or adhesive tapes into the furrows. In another embodiment an adhesive is applied to the entire surface and non-adhesive blocking strips are applied over the peaks of the corrugations that block the adhesive from adhering to the peaks.
In one method of making the adhesive trap with the desired glue area/thickness and patterns, glue is applied to the furrows in strips as a thin layer of adhesive membrane, e.g., thickness range from 1-60 mil, to cover a bottom ¼ to ½ or ¾ of the valley-ridge sloped surface area, in the grooves, leaving the corrugation top section (upper ridge section) with no adhesive. For example, the non-adhesive portions may comprise ¼ or more total corrugation area. In some embodiments, an adhesive may be applied as a thick bead having a diameter, for example, ⅓ to ½ or less of the groove height. Although uniform spacing of the corrugated surfaces are shown, it is contemplated that the corrugation spacing may be non-uniform. In some embodiments the ridge sections may be non-parallel, for example expanding in a fan-like arrangement.
Regardless of the corrugation types (sizes), the glue area along with the thickness of the glue in the groove should be sufficient to ensnare or capture target pests but restricted to the channels of the corrugated sheet or panel such that the corrugated panel may be handled by a user without contacting the adhesive directly, and to avoid or reduce the risk of contact by feathers or body parts of non-target creatures such as birds or bats. For example, the selected corrugation sizes or combination of corrugation sizes, and the glue area/thickness may be selected to engage multiple insect legs (at least 2) of a target insect no matter where the target insect lands on the corrugated surface.
It is contemplated that the corrugated or fluted panels may have color and/or pattern combinations providing a visual attractant for target insects, such as flies and/or social wasps. Examples of visual attractants on flat surfaces are disclosed in U.S. Pat. No. 9,015,988, to Zhang et al., which is hereby incorporated by reference in its entirety. It is believed that the three-dimensional characteristics of visual attractants on a corrugated surface will likely improve the efficacy of the attractant to target insects. One certain embodiment of the adhesive trap providing a visual attractant for target insects is shown in
A plurality of the panels 110 may be assembled or manufactured unitarily such as a hexagonal pillar 210 shown in
In some embodiments, the corrugated panel may be formed as an elongated flexible ribbon or tape that may be wrapped in a spiraling arrangement around an existing structure, for example a tree, fencepost, light post, power pole, or the like. For example, it is contemplated that spacers (not shown) may be fixed to an inner surface of the elongated flexible ribbon or tape, such that the flexible ribbon is spaced away from the structure, to provide insect (or other pest) access to space between the structure and the ribbon. An adhesive applied only to the side of the flexible ribbon facing the structure would provide a non-adhesive outer face, and an inner surface that does not adhere to structure.
Two trapping efficacy experiments were carried out in a laboratory wind-tunnel to compare the adhesive trap of the present disclosure shown in
Materials & Methods
Insects
The house flies were received as pupae from Beneficial Insectary in Redding, California. The flies were reared to adults on a 14:10 hour light to dark schedule at about 20-24° C. with roughly 10-15% Relative Humidity.
Traps
An adhesive trap formed with a flat corrugated cardboard panel (9.7 cm×20 cm) Attractive colors (blue/green), patterns, and contrasts were printed on the corrugated surface to form a visual attractant. An adhesive coating was applied only in the flute valleys of the corrugated panel. An example of the adhesive trap that was used in these experiments is shown in
The two Alpha Scents Inc. Sticky Traps (see
Testing Chamber: Wind-Tunnel
Both experiments (Experiments 1 and 2) were tested in a laboratory wind-tunnel without the airflow running. The wind-tunnel is constructed of clear acrylic panels with metal frame material and is about 200 cm×82.5 cm×82.5 cm in size.
Testing Procedures
Experiment 1 tested an adhesive trap vs. Yellow Sticky Card Trap (Alpha Scents, Inc.). These two sticky traps were attached centered to a white corrugated plastic board (25 cm×33 cm) side by side about 2 cm apart. Experiment 2 tested the corrugated panel vs. Clear Window Sticky Trap (Alpha Scents, Inc.). These two sticky traps were attached centered to a glass pane (27.5 cm×35 cm) side by side about 2 cm apart. For each test, the trap holding board (plastic or glass) was hung 13.5 cm from the ceiling on one side of the wind-tunnel at 30 cm away from the end while 1-2 jars of (approximately 400) house flies were released from the other side into the wind-tunnel at 25.5 cm from the end for the first 10 minutes of testing. The fly jar was removed from the wind-tunnel after 10 minutes.
Observations were made for the first 15 minutes of testing to see how the flies react to the sticky substrates, and the testing was continued for a total of 2 hours. After 2 hours, the white corrugated board or the glass pane was removed from the wind-tunnel to count how many house flies were caught on each trap. The remaining flies were vacuumed out of the wind-tunnel after each run. For the next round of testing, the positions of the treatments were switched so that if the adhesive trap was on the right side it would be on the left side, and the Alpha Scents, Inc. trap would go from the left side to right side. This would eliminate or reduce any positional bias that might appear during the testing. This next test run was completed in the same way as described above in the procedure. The numbers of flies caught from these two test runs were recorded and pooled together by treatment as a full replicate for the data analysis using the Paired t-Test with SPSS 29.0 for Microsoft Windows. For each experiment, 6 full replicates were completed.
Results
In Experiment 1, a total of 1535 house flies were captured in 6 full replicates of testing in the wind-tunnel. The adhesive traps caught on average 180.17 flies per full replicate, which was approximately 2.38 times (significantly) higher than did the Alpha Scents, Inc. Yellow Sticky Card Traps (see
In Experiment 2, a total of 1714 house flies were captured in 6 full replicates of testing in the wind-tunnel. The adhesive traps caught on average 208.5 flies per full replicate, which was approximately 2.70 times (significantly) higher than did the Alpha Scents, Inc. Clear Window Sticky Trap (
In both experiments, the special color combination, pattern, and contrast on the adhesive traps seemed to be strongly attractive to house flies compared to the clear or solid yellow color from the Alpha Scents, Inc. traps. Almost all the house flies that landed on the adhesive traps were caught even though only the valleys of the corrugated surface were coated with adhesive. As observed, an adhesive trap according to one or more aspects of the present disclosure and including a suitable combination of flute size, glue area/thickness, and size of target insect species would ensure multiple insect legs (at least 2) of a target insect to touch and be ensnared by the adhesive no matter where the target insect lands on the corrugated surface.
The detailed description set forth above in connection with the appended drawings are intended as a description of various embodiments of the present disclosure and are not intended to represent the only embodiments. Each embodiment described in this disclosure is provided merely as an example or illustration and should not be construed as preferred or advantageous over other embodiments. The illustrative examples provided herein are not intended to be exhaustive or to limit the disclosure to the precise forms disclosed.
In the foregoing description, specific details are set forth to provide a thorough understanding of representative embodiments of the present disclosure. It will be apparent to one skilled in the art, however, that the embodiments disclosed herein may be practiced without embodying all of the specific details. In some instances, well-known process steps have not been described in detail in order not to unnecessarily obscure various aspects of the present disclosure. Further, it will be appreciated that embodiments of the present disclosure may employ any combination of features described herein.
The present application may reference quantities and numbers. Unless specifically stated, such quantities and numbers are not to be considered restrictive, but exemplary of the possible quantities or numbers associated with the present application. Also, in this regard, the present application may use the term “plurality” to reference a quantity or number. In this regard, the term “plurality” is meant to be any number that is more than one, for example, two, three, four, five, etc. The term “about,” “approximately,” etc., means plus or minus 5% of the stated value. For the purposes of the present disclosure, the phrase “at least one of A and B” is equivalent to “A and/or B” or vice versa, namely “A” alone, “B” alone or “A and B.”. Similarly, the phrase “at least one of A, B, and C,” for example, means (A), (B), (C), (A and B), (A and C), (B and C), or (A, B, and C), including all further possible permutations when greater than three elements are listed.
It should be noted that for purposes of this disclosure, terminology such as “upper,” “lower,” “vertical,” “horizontal,” “fore,” “aft,” “inner,” “outer,” “front,” “rear,” “top”, “bottom,” etc., should be construed as descriptive and not limiting the scope of the claimed subject matter. Further, the use of “including,” “comprising,” or “having” and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. Unless limited otherwise, the terms “connected,” “coupled,” and “mounted” and variations thereof herein are used broadly and encompass direct and indirect connections, couplings, and mountings.
Throughout this specification, terms of art may be used. These terms are to take on their ordinary meaning in the art from which they come, unless specifically defined herein or the context of their use would clearly suggest otherwise.
The drawings in the FIGURES are not to scale. Similar elements are generally denoted by similar references in the FIGURES. For the purposes of this document, the same or similar elements may bear the same references. Furthermore, the presence of reference numbers or letters in the drawings cannot be considered limiting, even when such numbers or letters are indicated in the claims.
The principles, representative embodiments, and modes of operation of the present disclosure have been described in the foregoing description. However, aspects of the present disclosure, which are intended to be protected, are not to be construed as limited to the particular embodiments disclosed. Further, the embodiments described herein are to be regarded as illustrative rather than restrictive. It will be appreciated that variations and changes may be made by others, and equivalents employed, without departing from the spirit of the present disclosure. Accordingly, it is expressly intended that all such variations, changes, and equivalents fall within the spirit and scope of the present disclosure as claimed.
This application is a Continuation-In-Part of U.S. patent application Ser. No. 18/126,354, filed Mar. 24, 2023, which claims the benefit of U.S. Prov. Patent Appl. No. 63/323,230, filed Mar. 24, 2022, and claims the benefit of U.S. Prov. Pat. Appl. No. 63/389,215, filed Jul. 14, 2022. The entire disclosures of said applications are hereby incorporated by reference in their entireties.
Number | Date | Country | |
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63389215 | Jul 2022 | US | |
63323230 | Mar 2022 | US |
Number | Date | Country | |
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Parent | 18126354 | Mar 2023 | US |
Child | 18358813 | US |