Avoid fluctuations and maintain it at no higher than 70 degrees. It might sound like only a small jump upwards from the recommended guidelines, but it’s enough to allow them to multiply and wreak havoc on your cigar collection. What you can do: Make sure that you’re using both a digital hygrometer and a digital thermometer with your … By keeping your humidor between 65 – 70 degrees and below 70% humidity, you should be in good shape. If your thermometer or hygrometer seems like it is lying to you, it may be … Adult beetles measure about two … It is generally at temperatures above 72 degrees and humidity levels above 72% that tobacco beetles hatch. Here is a clip from a Cigar Aficionado article: "Biology of the Beetle Known by entomologists as "cosmopolitan" insects, tobacco beetles are found all over the world, but only in environments where the temperature exceeds 65 degrees Fahrenheit. The female adult can chew its way through paper or tobacco leaf, and … The best way to deal with cigar beetles though is to simply take preventative measures against them by following the 70-70 rule. If you have one cigar with beetle damage, you're likely to have others. If you’re at or above 70% humidity, once your humidor temperature reaches 75 degrees or higher you begin to run the risk of beetle eggs hatching. Tobacco beetles have a life cycle - egg, larva, pupa and adult - that lasts about 10 to 12 weeks total. These suckers eat like pigs, spread like wildfire, and lives for two things: tobacco and heat. Do not allow your humidor to reach over 70% humidity and 70 degrees. Lasioderma serricorne, also known as tobacco, cigar, and cigarette beetle, are infamous for devastating precious cigars. So, things like storing your humidor in direct sunlight or by a heating vent, can-and-possibly-will lead to an outbreak of these cigar ruining pests. Put your cigars (they’re safe to smoke – just try not to think about that special addition to the filler) back in the humidor and make sure that the temperature and humidity inside are stable (around 70 degrees Fahrenheit and 70%). Adult beetles measure about two to three millimeters long and live only 2 to 4 weeks, and thrive in humid climates and hot temperatures above 74 degrees. That's evidence of beetle infestation. Most tobacco beetles can thrive quite abundantly in temperatures or humidity levels that exceed 72% moisture or 72-degree Fahrenheit. You can’t guarantee that if you keep your humidor at a certain temperature and humidity that you won’t have a cigar beetle problem but it certainly doesn’t hurt. When things heat up and get too damp, beetle larvae can hatch … Beetle larvae hatch at temperatures above 72 degrees Fahrenheit and a humidity level above 72 percent, one of the primary reasons that you should keep your humidor close to the proper level of 70 percent humidity and 70 degrees. The real cause of cigar beetle outbreaks is due to temperature increases. While tobacco beetles can be found in environments exceeding 65°F, they typically hatch in conditions over 73°F… To avoid putting out the welcome mat for these pests, keep this holder at an even temperature at all times. To prevent cigar beetles, you can do the following: Maintain the proper humidity and temperature inside your humidor. Tobacco beetles love heat and humidity, which makes your humidor the ideal habitat for them to breed and flourish. Always try your damndest to not let your humidor or storage container exceed 70 degrees. Microscopic L. serricorne eggs exist in tobacco and foods alike.