Insects are a vital part of our ecosystem, and studying them can give us insights into the natural world. However, the term "insectan" can be a bit tricky to use. Fortunately, there are some great synonyms available. Some of the most common include "arthropod" (which encompasses insects as well as spiders, crustaceans, and more), "bug," and "creepy-crawly." Other options include "beetle," "fly," and "mosquito." No matter which term you choose, remember that insects come in a wide variety of shapes and sizes, and each one plays an important role in maintaining the balance of our planet's ecosystems.