00909nas a2200121 4500008004100000245016600041210006900207300000900276520039500285100001700680700002800697856006200725 1990 eng d00aKeys to distinguish Platycheirus angustipes, P. europaeus, P. occultus and P. ramsarensis (Dipt., Syrphidae) from other clypeatus group species known in Europe0 aKeys to distinguish Platycheirus angustipes P europaeus P occult a5-183 a

The clypeatus group of species in the genus Platycheirus is defined. Separate keys are presented for distinguishing the males and females of the 12 European clypeatus group species. All available information, including distribution records, is summarised for P.anguslipes, P. europaeus, P. occultus and P. ramsarensis.

1 aSpeight, MCD1 aGoeldlin de Tiefenau, P uhttp://www.dipteristsforum.org.uk/documents/DD/df_1_5.pdf