Marijuana farmers face many challenges. Among the most persistent problems they encounter are insects, diseases, fungi, viruses and bacteria that harm plants. The most common insects that plague marijuana both indoors and outdoors are thrips, mites, whiteflies, fungus gnats, budworms, and caterpillars. Mites live in nature and on dogs. They are tiny, mobile and vicious pests that travel from different grow rooms on infected clones and on the bodies and clothes of people who have come in ...