Some Of The Worlds Biggest Bugs

Giant Walking Stick: Worldwide

These are some of the largest insects in the world. Some of them are actually huge. I hope that they are all harmless because some of them look like that could do some serious damage if the decided to attack.
Japanese Giant Hornet: Japan 

Titan Beetle: French Guiana and Brazil

Elephant Beetles: Mexico through Venezuela

Giant Long-Legged Katydids: Malaysia

Goliath Beetle: Ghana, Ivory Coast / Equatorial Africa, Central and East

Giant Burrowing Cockroach: Australia

Giant Camel Spiders: The deserts of the Middle East

Giant Isopod: The Gulf Of Mexico

Atlas Moth: Southeast Asia

Tarantula Hawk: Found Throughout The World

Giant Water Bug: Worldwide

Queen Alexandra’s Birdwing: Papua New Guinea

Chinese Mantis: Worldwide

Goliath Birdeater: Rainforests in South America