 If grain is not stored properly, then a colony of meal moths can do considerable damage to the crop.One of the most surprising uses for "P. farinalis" is its use in producing "insect tea" in China.In China, the moth lives on the host plant of "Litsea coreana" and scientists have been studying optimum temperatures for which the moth is able to grow and develop best in the hopes of being able to cultivate the moths for insect tea.