EditorialScarce hook-tip, Sabra harpagula 1,2, and pebble hook-tip, Drepana falcataria 3-6. Phalaena Bombyx harpagula, falcula. Handcoloured copperplate engraving by Johann Carl Bock from Eugenius Johann Christoph Espers Die Schmetterlinge in Abbildungen nach d...