Brazilian jiu-jitsu was influenced by Kodokan judo.
Sphecius grandis , also called the western cicada killer , is a species of cicada killer wasp -LRB- Sphecius -RRB- .. cicada killer wasp. Sphecius. cicada. cicada. The western species shares the same nesting biology as its fellow species , the eastern cicada killer -LRB- S. speciosus -RRB- .. nesting biology. Nest. S. speciosus. Sphecius speciosus. cicada. cicada. S. grandis , like all other species of the genus Sphecius , mainly provides cicadas for its offspring .. genus. genus. It forms nest aggregations and mates and broods once in a year , in July and early August .. broods once in a year. Voltinism. The wasp is on average 3 cm to 5 cm in length and is amber-yellow with yellow rings on its abdomen .. abdomen. abdomen. Wasps in the genus Sphecius are not habitually aggressive and use their venom mainly to paralyse cicadas which they take back to their nests to feed their young .. genus. genus. venom. venom. The females catch around four or more cicadas for provisioning , place them in brood cells and lay eggs in the cells .. S. grandis is endemic to Central America , Mexico and the Western United States , and is found at a higher mean altitude than other species of Sphecius .. endemic. Endemism. Central America. Central America. Western United States. Western United States. The western cicada killer males emerge earlier than females , but generally die after only a couple of days .. cicada. cicada. Sphecius grandis can be distinguished from S. convallis -LRB- the Pacific cicada killer wasp -RRB- by the coloration pattern of the gastral tergites .. cicada killer wasp. Sphecius. cicada. cicada. tergites. Tergum. Formerly , the two species were distinguished on the basis of the number of tergites with yellow markings -LRB- five in S. grandis and three in S. convallis -RRB- , but a more recent study showed that this character was insufficient to distinguish the two species .. tergites. Tergum. However , they can be distinguished by the density of the punctation on the first and second tergites .. tergites. Tergum