There are various synonyms for the term "dog day cicadae" such as harvest flies, locusts, and annual cicadas. These insects are commonly known for their high-pitched buzzing sound, which can be heard during the hot and humid summer days. Harvest flies are known for their unique and eye-catching appearance, with their broad wings, bulging eyes, and elongated bodies. Despite being called locusts, they are not true locusts, which are a type of grasshopper. Annual cicadas are also known as dog-day cicadas, as they often make their appearance during the dog days of summer. These synonyms are often used interchangeably and help to describe the many characteristics of these fascinating and noisy insects.