Investigation on Insect-Microbial Symbiosis and Molecular Phylogeny of Social Insects

调查地点选在巴西、墨西哥、危地马拉等新热带地区高度自然的地区。调查材料有白蚁、蚂蚁、社会性昆虫中的蚜虫、亚社会性姬蜂科和蟑螂。研究了昆虫与微生物(细菌、真菌和原生动物)之间的共生关系。尽可能地在大范围内收集昆虫。并沿着湿度斜率从湿润到干燥的方向选取调查点。在雷恩(法国)、纽约(美国)和伊瓜苏(巴西)开展了关于昆虫和微生物关系的研究讨论。用光学显微镜和电子显微镜对昆虫标本进行了详细的观察。系统发育研究是通过分析昆虫和微生物的线粒体DNA来进行的。这一结果与已知的南洋群岛和台湾的古北极地区的信息相比较。

The investigated sites were selected at the highly natural places in Brazil, Mexico, Guatemala of the Neo-tropical region. The investigated materials were termites, ants, aphids in social insects, subsocial Passalidae and cockroaches. The symbiotic relationships between the insects and microorganisms (bacteria, fungi and protozoa) were investigated. Collections of insects were performed in wide area as possible as done. And investigated places were selected along humidity cline from humid to dry regions. Research discussions on the relationship of insects and microorganisms were carried out in Renne(France), in New York (USA) and in Iguasu (Brazil). Detailed observations on insect samples by a light microscope and an electro microscope were done. Phylogenetic studies were performed by the analysis of mtDNA in insects and microorganisms. The results were compared to the already known informations in the Nansei-Archipelago and Taiwan of the Palaeoarctic region.