Fig. 6 in The Rhagionidae or Snipeflies of the Botanical Garden Jean Massart (Brussels-Capital Region, Belgium) with notes on the identity of the rare European species Archicera avarorum Szilády, 1934 and Ptiolina obscura (Fallén, 1814) (Diptera: Rhagionidae)

Fig. 6. Phenology of Chrysopilus asiliformis (red line) and C. cristatus (blue line) the dominant snipeflies at the Botanical Garden Jean Massart during 2015.