Detection and Characterisation of Endosymbiont Wolbachia (Rickettsiales: Anaplasmataceae) in Elaeidobius kamerunicus (Coleoptera: Curculionoidea), Pollinating Agent of Oil Palm, and Its Relationships between Populations

油棕授粉昆虫 Elaeidobius kamerunicus (鞘翅目：象甲总科) 内共生菌沃尔巴克氏体 (立克次氏体目：无形体科) 的检测与鉴定及其种群间关系