"Two insect-derived color additives — carmine and cochineal extract — are harvested from scale insects. But because of reports of allergic reactions to these color additives in food and cosmetics, the FDA now requires labeling to warn consumers of potential allergic effects."

https://www.sc.edu/study/colleges_schools/law/about/news/2018/law_professor_examines_fda_regulations_and_insect-based_food.php