Biology:Golden bear oil
From HandWiki
Golden bear oil, known as "GBO", is a non-ecotoxic pesticide used in controlling mosquito larval populations. It is most widely used by the St. Tammany Parish Mosquito Abatement District #2 in controlling the possibility of a West Nile virus epidemic, in the growing rural area of southeastern Louisiana
Golden Bear Oil is made by Clarke Mosquito Control.