The history and the present situation of the studies on hoverflies in Japan. The foundation of the Dipterist's Club of Japan.19-23 pp.
Study notes on hoverflies.
Sixty five syrphid species are reported from Mt. Asahidake, and10 of them are newly recorted from Hokkaido as follows. In addition to the species listed above, The followings are also reported as new distributional records in Hokkaido, though their specimens were collected from Asahikawa City. The following species were newly recorded from Japan. The seasonal occurrence of some Eristalis species was investigated in the Tokachi area, Hokkaido in 1993. Hoverflies as an environmental indicator.