The cicadas are back, and with them a warning from the Food and Drug Administration: Don't eat these critters if you have a seafood allergy.
Fish and shellfish are two of the eight major food allergens that must be labeled on food packaging, according to the FDA, along with milk, eggs, tree nuts, peanuts, wheat and soybean. Together, these allergens account for 90% of food allergies in the U.S.
Allergies related to eating insects, however, need more study, according to a recent report by the Food Agricultural Organization of the United Nations. The report, which focused on the safety of eating insects, noted that "individuals already allergic to crustaceans are particularly vulnerable to developing allergic reactions to edible insects, due to allergen cross-reactivity."
U.S. & World
The day's top national and international news.
Read the full story on NBCNews.com