Insects can be a major problem for gardens indoor and out. However, during the colder months, insects can become particularly nasty inside. It is important to identify and control an infestation of pests before it gets out of control. Check your plants every week or two. Look under the leaves of your plants, in the 'crotches' of the branches and on the stems. Run your fingers over these areas to see if you find any of the following bugs.