Largest species of wasp

According to Official Guinness Records,

The Asian giant hornet (Vespa mandarinia) is native to the mountains of Japan and can grow to be 5.5 cm (2.2 in) long, with a wingspan of approximately 7.6 cm (3 in). Its sting is about 0.6 cm (0.25 in) long and can inject a venom so powerful that it dissolves human tissue.

For a complete list of 2005 records, please visit 2005 Guinness Records in Japan.

Other Japan records that might interest you:

• First official theme park based on a videogame
• Largest pipe valve installation without interruption of water flow
• First hand-held videogame console with an optical disc
• Most finely handwoven carpet
• First sighting of an adult giant squid in its natural habitat