Invasive species in Hawaii and health-related problems. The introduction of mosquitoes to Hawaii has resulted in the spread of avian malaria, and increases the risk of dengue and west Nile virus (not known to be in Hawaii yet). Other native species can be affected by invasive species diseases as well, such as the once-dominant koa tree being killed by koa wilt, which is believed to have been brought into Hawaii on an ornamental acacia plant, and the 'ohi'a tree, now being affected by Rapid Ohia Death. Invasive predators can severely reduce the population sizes of native species, or even drive them extinct, because native
Koa Kannon the Soto school. General Iwane Matsui who commanded the Shanghai Expeditionary Force at the outbreak of the Second Sino-Japanese War built the Koa Kannon statue after retiring from the service in 1940 to honor the officers and men of both China and Japan who fell in battle in the name of consecrating equally both friend and enemy. The statue was made using clay from battlefields, including from the vicinity of Nanjing where Matsui served. On 24 February 1940 the consecration ceremony was performed in the presence of Tessui Oshima, a high-ranking Jodo Buddhist monk from Zojo-ji, and other distinguished figures.