Insect fighting is a popular activity in many Asian countries, and the practice actually dates back to China’s Tang Dynasty. A variety of insects are used in the fights, but some of the most popular are the stag beetle, rhinoceros beetle, praying mantis, grasshopper and goliath beetle — mostly because their size and jumping ability make them the most formidable opponents. Some bug owners even train their insects to become stronger and more aggressive by feeding them sugarcane and using female mating calls to excite them.