Tenebrionid beetles can produce quinones as defense against predation. These quinones may produce asthma, headache,
erythema and conjunctivitis when humans are exposed to these insects for extended periods. In addition, quinones are suspected carcinogens. Individuals who routinely work inside poultry houses for extended periods for production or research purposes should wear protective gloves, safety glasses
and a respirator with cartridges that remove ammonia to minimize exposure to ammonia and dust.
Persons with known allergies should avoid lesser mealworm exposure as much as possible.