Ueber diejenigen mit Empis chioptera Meig. verwandten Arten, welche dunkle Schwinger haben
Published in Berliner entomologische Zeitschrift, in 1867, in volume 11, issue 1‐2, pages 25-62
Date published:1867-01-01
Published in Berliner entomologische Zeitschrift, in 1867, in volume 11, issue 1‐2, pages 25-62
Date published:1867-01-01