| CPC A01N 25/06 (2013.01) [A01N 27/00 (2013.01); B65D 83/752 (2013.01)] | 8 Claims |

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1. A method of immobilizing insects by a spray dispensing system, including the steps of:
spraying a pest with a pest control composition consisting of butane, propane, and isobutane,
wherein the pest control composition is sprayed for at least two seconds at a spray rate of between about 1.8 g/s and about 2.6 g/s and achieves a temperature of less than −20° C. at least 18 inches from an exit orifice of the dispensing system.
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