1. 7297.g.4, 1(9) Reference (shelfmark): 7297.g.4, 1(9) Title: Hautflügel des gedrückten Franseflüglers. (Trichopteryx depressus.) [Upper wing of the thrip Trichopteryx depressus]. Photographer: Heeger, Ernst Scope & Content: Genre: Scientific Photography Photomicrograph. Collection Area: Printed Collections Languages: Not applicable Date Range: c 1859 Extent: 1 item