What is the largest insect on Earth?

That depends on your definition of the word largest. Pharnacia serritypes, which dwells in western Malaysia, is the longest bug. These insects may grow to be as long as 22 inches (56 cm)! They are linked to the walkingstick insect family. Walkingsticks got their moniker from the fact that they resemble sticks with legs. Walkingsticks may grow to be up to 13 inches (33 cm) long. Walkingsticks are found in over 3,000 tropical species, with 10 species found in North America. Megaphasma dentricus is the longest bug in the United States, measuring 7 inches (17.7 cm).

If you're looking for the biggest bug, consider the gigantic weta (Deinacrida heteracantha), an endangered insect that may weigh up to 2.5 ounces (71 g). Because of their size, these insects appear aggressive and frightening, although they are completely harmless. Another large bug is the acteon beetle (Megasoma acteon), which has a bulky appearance and may grow to be 3.5 inches (9 cm) long, 2 inches (5 cm) broad, and 1.5 inches (4 cm) thick.