The largest social wasp is the Asian giant hornet [photo below], at up to 5 centimeters (2.0 in) in length; among the largest solitary wasps is a group of species known as tarantula hawks also up to 5 cm (2.0 in) long, along with the giant scoliid of Indonesia which have a wingspan of 11.5 cm (4.5 in). An Asian giant hornet can kill a honeybee in seconds, so a few dozen hornets can completely destroy an entire hive of thousands of bees in a few hours. Some kinds of Asian honeybees have developed a defense, however, to stop a hornet invasion before it happens. When an Asian giant hornet scout enters the hive, the bees swarm to it.This is a chapter from my upcoming book, The Terrible and Wonderful Reasons Why I Run Long Distances, which hits bookstores next week.This comic was originally featured on NPR via Robert Krulwich's blog, Krulwich Wonders, and I'm reposting it here as well. Japan's deadliest animal is the Japanese giant hornet, responsible for more yearly casualties than bears and snakes combined! by Unbelievable Facts May 8, 2016, 7:55 am 1.2k Views Comments Off on Japan's deadliest animal is the Japanese giant hornet, responsible for more yearly casualties than bears and snakes combined!A woman in Japan found an insect the size of a bird crawling over one of the sweaters in her closet. The giant Asian hornet, sometimes known as a sparrow bee, is native to the mountains of Japan.Asian giant hornets eat medium-to-large-sized insets such as bees and mantises. If an Asian giant hornet finds a honey bee hive, it will secrete pheromones to lead other hornets from its colony to overtake the hive.