Die Hymenopteren-Gattungen Stenophasmus Smith, Monomachus Westw., Pelecinus Latr. und Megalyra Westw
Published in Berliner Entomologische Zeitschrift, in 1890, in volume 33, pages 197-250
Date published:1890
Published in Berliner Entomologische Zeitschrift, in 1890, in volume 33, pages 197-250
Date published:1890