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Methods and devices for repelling insects are disclosed. The methods and devices provide personal protection from insect bites and insect landings, particularly mosquito bites. The methods and devices employ insect repellents such as pyrethroids at low (parts per billion) levels. The methods and de

Methods and devices for repelling insects are disclosed. The methods and devices provide personal protection from insect bites and insect landings, particularly mosquito bites. The methods and devices employ insect repellents such as pyrethroids at low (parts per billion) levels. The methods and devices effectively minimize the number of mosquitoes landing on a subject properly using the devices.

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What is claimed is: 1. A device for repelling insects comprising: (1) a cartridge comprising (a) a composition comprising an insect repellent, (2) dispersion means for actively dispersing the composition, wherein the cartridge is mounted to the device with respect to said dispersion means such that

What is claimed is: 1. A device for repelling insects comprising: (1) a cartridge comprising (a) a composition comprising an insect repellent, (2) dispersion means for actively dispersing the composition, wherein the cartridge is mounted to the device with respect to said dispersion means such that said dispersion means cause the composition to be removed from the cartridge and to be dispersed in an area around a subject, and (3) attachment means capable of attaching the device to the subject, wherein said attachment means are mounted to the device such that said attachment means do not interfere with said dispersion means. 2. The device of claim 1, wherein the device begins providing protection within about 1 minute after activating the device. 3. The device of claim 1, wherein the dispersion means further comprises blowing means and point heating means. 4. The device of claim 1, wherein the device begins providing protection within about 3 minutes after activating the device. 5. A device for repelling insects comprising: (1) a cartridge comprising (a) a composition comprising an insect repellent, and (2) dispersion means for actively dispersing the composition, wherein the cartridge is mounted to the device with respect to said dispersion means such that said dispersion means cause the composition to be removed from the cartridge and to be dispersed in an area around a subject, and wherein the device provides a relative repellency factor of about 15 or greater and the device further comprises: (3) attachment means capable of attaching the wearable personal protection device to the subject, wherein said attachment means are mounted to the device such that said attachment means do not interfere with said dispersion means. 6. A wearable personal protection device for repelling insects comprising: (1) a cartridge comprising (a) a composition comprising an insect repellent, and (2) dispersion means for actively dispersing the composition, wherein the cartridge is mounted to the wearable personal protection device with respect to said dispersion means such that said dispersion means cause the composition to be removed from the cartridge and to be dispersed in an area around a subject, and wherein said dispersion means includes point heating means and blowing means for volatilizing the composition and dispersing the composition into the area around the subject; and (3) attachment means capable of attaching the wearable personal protection device to the subject, wherein said attachment means are mounted to the device such that said attachment means do not interfere with said dispersion means. 7. The device of claim 6, wherein (a) the composition is contained in the cartridge. 8. The device of claim 7, wherein the cartridge is removable. 9. The device of claim 8, wherein the cartridge is replaceable. 10. The device of claim 7, wherein the cartridge is not removable and the device is disposable. 11. The device of claim 7, wherein the cartridge has a shape selected from the group consisting of a flat shape and a three-dimensional shape. 12. The device of claim 6, wherein (a) the composition further comprises an ingredient selected from the group consisting of a blowing agent, a solvent, a stabilizer, a synergist, a dye, a perfume, and combinations thereof. 13. The device of claim 6, wherein said attachment means comprise one or more elements selected from the group consisting of clips, pins, adhesives, hook and loop fasteners, magnets, ties, necklaces, straps, bands, and buckles. 14. The device of claim 6, wherein said dispersion means further comprise an electrical power source for powering said point heating means. 15. A wearable personal protection device for repelling insects comprising: (1) a cartridge comprising (a) a composition comprising an insect repellent, and (2) dispersion means for actively dispersing the composition, wherein the cartridge is mounted to the personal protection device with respect to said dispersion means such that said dispersion means cause the composition to be removed from the cartridge and to be dispersed in an area around a subject, and wherein said dispersion means comprises point heating means and blowing means for blowing volatilized composition into the area around the subject, a first power source for powering the point heating means, and a second power source for powering said blowing means; and (3) attachment means. 16. The device of claim 15, wherein the cartridge is removable. 17. The device of claim 16, wherein the cartridge is replaceable. 18. The device of claim 16, wherein the cartridge is not removable and the device is disposable. 19. The device of claim 16, wherein (a) the composition further comprises an ingredient selected from the group consisting of a blowing agent, a stabilizer, a synergist, a dye, a perfume, and combinations thereof. 20. A personal protection device comprising: (i) a cartridge containing a composition comprising a liquid droplet carrying an insect repellent, (ii) a filament located at or near an outlet of a capillary tube portion of the cartridge such that the composition contacts the filament, (iii) a power supply communicating with the filament and a motor such that the power supply heats the filament and powers the motor, and (iv) a fan connected to the motor. 21. A personal protection device comprising: (i) a cartridge containing a composition comprising an insect repellent, (ii) a filament located at or near an outlet of the cartridge such that the composition contacts the filament, (iii) a power supply communicating with the filament and a motor such that the power supply heats the filament and powers the motor, and (iv) a fan connected to the motor wherein the cartridge is a capillary tube and the composition is a liquid. 22. The device of claim 21, wherein the filament is part of the cartridge. 23. A personal protection device comprising: (i) a cartridge containing a composition comprising an insect repellent, (ii) a filament located at or near an outlet of the cartridge such that the composition contacts the filament, (iii) a power supply communicating with the filament and a motor such that the power supply heats the filament and powers the motor, and (iv) a fan connected to the motor wherein the composition is a solid and the filament is part of the cartridge. 24. A method for protecting a subject from insects comprising: attaching to the subject a wearable personal protection device comprising (1) a cartridge comprising (a) a composition comprising an insect repellent, and (2) dispersion means for actively dispersing the composition, wherein the cartridge is mounted to the wearable personal protection device with respect to said dispersion means such that said dispersion means cause the composition to be removed from the cartridge and to be dispersed in an area around a subject, and wherein said dispersion means includes point heating means for volatilizing the composition and dispersing the composition into the area around the subject and further includes blowing means for blowing volatilized composition; and (3) attachment means capable of attaching the wearable personal protection device to the subject, wherein said attachment means are mounted to the device such that said attachment means do not interfere with said dispersion means; and activating the wearable personal protection device. 25. The method of claim 24, wherein the insects are flying insects selected from the group consisting of mosquitoes, house flies, biting midges, gnats, black flies, sand flies, horse flies, and tsetse flies. 26. The method of claim 24, wherein the insects are crawling insects selected from the group consisting of fleas, ticks, mites, chiggers, and spiders. 27. The method of claim 24, wherein the insect repellent is selected from the group consisting of N,N-diethyl-m-toluamide, pyrethrins, and pyrethroids. 28. The method of claim 27, wherein the insect repellent is a pyrethroid and the effective amount of the insect repellent is from less than about 1 up to about 50 parts per billion in air. 29. The method of claim 27, wherein the pyrethroid is selected from the group consisting of allethrin, d-trans allethrin, d-allethrin, bioallethrin, esdepallethrin, empenthrin, prallethrin, transfluthrin, and combinations thereof. 30. The method of claim 29, wherein the insect repellent is selected from the group consisting of allethrin and prallethrin. 31. The method of claim 24, wherein the subject is a human. 32. The method of claim 24, wherein the subject is selected from the group consisting of pets, livestock, and wild animals. 33. A method for protecting a subject from insects comprising: attaching a wearable personal protection device to the subject and activating the device, wherein the personal protection device comprises (1) a cartridge comprising (a) a composition comprising an insect repellent, and (2) dispersion means for actively dispersing the composition, wherein the cartridge is mounted to the personal protection device with respect to said dispersion means such that said dispersion means cause the composition to be removed from the cartridge and to be dispersed in an area around a subject, and wherein said dispersion means includes heating means for volatilizing the composition and blowing means for blowing volatilized composition into the area around the subject, wherein said dispersion means comprise a first power source for powering said heating means and a second power source for powering said blowing means. 34. The method of claim 33, wherein said heating means comprises point heating means. 35. The method of claim 33, wherein the subject is a human. 36. The method of claim 33, wherein the subject is selected from the group consisting of pets, livestock, and wild animals.