System for trapping flying insects with attractant lures
View Patent ↗The present application discloses a system for trapping flying insects, utilizing carbon dioxide in conjunction with one or more biochemical lures, visual lures or both. Preferably, a biochemical lure such as lactic acid, a salt of lactic acid, or combinations thereof, are employed in particular geometric shapes contained in specifically designed housing to ensure an effective release rate over extended periods of time.
1. A lure for attracting flying insects, comprising a lactic-acid gel and a water gel, wherein the lactic-acid gel comprises 50–90 wt. % lactic acid and the water gel comprises 30–70 wt. % water, and wherein the lactic-acid gel is adjacent to the water gel.
2. The lure according to claim 1 , wherein the lactic acid in the lactic-acid gel is not chemically bonded to the gelling network of the gel.
3. The lure according to claim 1 , wherein the water gel further comprises a polymer.
4. The lure according to claim 3 , wherein the water in the water gel is not chemically bonded to the gelling network of the gel.
5. The lure according to claim 1 , wherein the lactic-acid gel further comprises a UV-reactive compound.
6. The lure according to claim 1 , wherein the water gel further comprises a UV-reactive compound.
7. The lure according to claim 1 , wherein the lactic acid is L(+)-lactic acid.
8. The lure according to claim 5 , wherein the UV-reactive compound is acrylic acid or a salt of acrylic acid.
9. The lure according to claim 6 , wherein the UV-reactive compound is acrylic acid or a salt of acrylic acid.
10. The lure according to claim 1 , wherein the lactic-acid gel comprises 50 wt. % to 88 wt. % lactic acid.
11. The lure according to claim 1 , wherein the lactic-acid gel comprises 88 wt. % 90 wt. % to lactic acid.
12. The lure according to claim 1 , wherein the lactic-acid gel comprises 88 wt. % of lactic acid.
13. The lure according to claim 1 , wherein the lactic-acid gel further comprises a photo-initiator.
14. The lure according to claim 13 , wherein the photo-initiator is 2,2-dimethoxy-1,2-diphenylethan-1-one.
15. The lure according to claim 13 , wherein the photo-initiator is phosphine oxide.
16. The lure according to claim 1 , wherein the water gel further comprises a photo-initiator.
17. The lure according to claim 16 , wherein the photo-initiator is 2,2-dimethoxy-1,2-diphenylethan-1-one.
18. The lure according to claim 16 , wherein the photo-initiator is phosphine oxide.
19. The lure according to claim 1 , wherein the lactic-acid gel further comprises a cross-linking agent.
20. The lure according to claim 19 , wherein the cross-linking agent is polyethylene glycol 600 diacrylate.
21. The lure according to claim 1 , wherein the water gel further comprises a cross-linking agent.
22. The lure according to claim 21 , wherein the cross-linking agent is polyethylene glycol 600 diacrylate.
23. The lure according to claim 1 , wherein
a) the lactic-acid gel comprises:
(i) 20 wt. % to 50 wt. % sodium acrylate;
(ii) 50 wt. % to 75 wt. % L-(+)-lactic acid;
(iii) 1 wt. % to 5 wt. % polyethylene glycol 600 diacrylate;
(iv) 1 wt. % to 3 wt. % phosphine oxide; and
b) the water gel comprises:
(i) 30 wt. % to 70 wt. % sodium acrylate;
(ii) 2 wt. % to 6 wt. % L-(+)-lactic acid;
(iii) 1 wt. % to 5 wt. % polyethylene glycol 600 diacrylate;
(iv) 0.5 wt. % to 2 wt. % phosphine oxide; and
(v) 30 wt. % to 70 wt. % distilled water.
24. The lure according to claim 23 , wherein:
a) the lactic-acid gel comprises:
(i) 37.0 wt. % sodium acrylate;
(ii) 59.6 wt. % L-(+)-lactic acid;
(iii) 2.4 wt. % polyethylene glycol 600 diacrylate;
(iv) 1.0 wt. % phosphine oxide; and
b) the water gel comprises:
(i) 47.0 wt. % sodium acrylate;
(ii) 3.4 wt. % L-(+)-lactic acid;
(iii) 3.4 wt. % polyethylene glycol 600 diacrylate;
(iv) 1.2 wt. % phosphine oxide; and
(v) 45.0 wt. % distilled water.
25. The lure according to claim 1 , wherein the lure, when contacted with a steady flow of air at a temperature of about 90° F., releases from about 1.0 to about 35 mg/hr of lactic acid, for a period of about two weeks.
26. A lure for attracting flying insects, comprising a lactic-acid gel, wherein the lactic-acid gel comprises (a) lactic acid, and (b) a photo initiator selected from the group consisting of 2,2-dimethoxy-1,2-diphenylethan-1-one and phosphine oxide.
27. The lure of claim 26 , further comprising a water gel.
28. The lure of claim 27 , wherein the lactic-acid gel comprises 50–90 wt. % lactic acid and the water gel comprises 30–70 wt. % water.
29. The lure according to claim 26 , wherein the lactic acid in the lactic-acid gel is not chemically bonded to the gelling network of the gel.
30. The lure according to claim 27 , wherein the water gel further comprises a polymer.
31. The lure according to claim 27 , wherein the water in the water gel is not chemically bonded to the gelling network of the gel.
32. The lure according to claim 26 , wherein the lactic-acid gel further comprises a UV-reactive compound.
33. The lure according to claim 27 , wherein the water gel further comprises a UV-reactive compound.
34. The lure according to claim 26 , wherein the lactic acid is L-(+)-lactic acid.
35. The lure according to claim 32 , wherein the UV-reactive compound is acrylic acid or a salt of acrylic acid.
36. The lure according to claim 33 , wherein the UV-reactive compound is acrylic acid or a salt of acrylic acid.
37. The lure according to claim 28 , wherein the lactic-acid gel comprises 88 wt. % to 90 wt. % lactic acid.
38. The lure according to claim 27 , wherein the lactic-acid gel and/or the water gel further comprise a cross-linking agent.
39. The lure according to claim 38 , wherein the cross-linking agent is polyethylene glycol 600 diacrylate.
40. A lure for attracting flying insects, comprising a lactic-acid gel, wherein the lactic-acid gel comprises (a) lactic acid, and (b) polyethylene glycol 600 diacrylate.
41. The lure of claim 40 , further comprising a water gel.
42. The lure according to claim 40 , wherein the lactic acid in the lactic-acid gel is not chemically bonded to the gelling network of the gel.
43. The lure according to claim 41 , wherein the water gel further comprises a polymer.
44. The lure according to claim 41 , wherein the water in the water gel is not chemically bonded to the gelling network of the gel.
45. The lure according to claim 40 , wherein the lactic-acid gel further comprises a UV-reactive compound.
46. The lure according to claim 41 , wherein the water gel further comprises a UV-reactive compound.
47. The lure according to claim 40 , wherein the lactic acid is L(+)-lactic acid.
48. The lure according to claim 45 , wherein the UV-reactive compound is acrylic acid or a salt of acrylic acid.
49. The lure according to claim 46 , wherein the UV-reactive compound is acrylic acid or a salt of acrylic acid.
50. The lure according to claim 41 , wherein the lactic-acid gel comprises 88 wt. % to 90 wt. % lactic acid.
51. The lure according to claim 41 , wherein the lactic-acid gel and/or the water gel further comprise a photo-initiator.
52. The lure according to claim 51 , wherein the photo-initiator is 2,2-dimethoxy-1,2-diphenylethan-1-one or phosphine oxide.