. Fig. 17. Wing of P. atei- ?. P. ater is common in Denmark, Ordrup Mose, Ermelund, Dyre- haven, Lyngby Mose, Fure Sø, Søllerød, Ørholm, Geel Skov, Ruder- hegn, Alindelille, Vemmetofte, on Langeland at Lolials, on Lolland at Lysemose and in Kæld Skov, in Jutland in Grejsdal at Vejle, at Ry and Horsens and on Bornholm at Allinge; my dates are '/s—^"/s. Pupæ were taken on ^^/s at Skovrøddam in Ruderhegn in flood refuse, the imagines emerged in the first days of May (Kryger.) Geographical distribution: — Europe down into Italy, towards the north to northern Sweden. Remarks: It seems to me th
. Fig. 17. Wing of P. atei- ?. P. ater is common in Denmark, Ordrup Mose, Ermelund, Dyre- haven, Lyngby Mose, Fure Sø, Søllerød, Ørholm, Geel Skov, Ruder- hegn, Alindelille, Vemmetofte, on Langeland at Lolials, on Lolland at Lysemose and in Kæld Skov, in Jutland in Grejsdal at Vejle, at Ry and Horsens and on Bornholm at Allinge; my dates are '/s—^"/s. Pupæ were taken on ^^/s at Skovrøddam in Ruderhegn in flood refuse, the imagines emerged in the first days of May (Kryger.) Geographical distribution: — Europe down into Italy, towards the north to northern Sweden. Remarks: It seems to me that Becker has confused the females of this and the foregoing species, as he describes ater with the frons quite grey and the ovipositor straight, and Thomsoni with the frons black above and ovipositor recurved, while 1 find just the reverse. That my females really belong to ater is, I think, beyond doubt, for the first they agree well in size, and they are also agreeing with my males with regard to localities; this is, to be sure, not convincing, but further I have bred both sexes of ater from some pupæ found together, and this faet is, I think, of importance. The four species varipes, spinipes, Thomsoni and ater form one group and are related and similar, but surely distinct; the males will
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