【Abstract】 Objective To know the diurnal cycles and species community of Dasyhelea fasciigera and to provide some basic information for its control. Methods Waving net method was used in this study. Results Five new species were found, which were D.dufouri, D.caeruleus, D.ornatus, D.paragrata and D.raoheensis. The results indicated the peak of D. fasciiger dance was  4  o’clock  at  noon  with  the  temperature  of  25 ℃  and  the  humidity  of 68%. Conclusion The species of D. fasciigera are abundant in Beijing, and there is an obvious dance peak.