EditorialWormwood moth, Cucullia absinthii 1-3, alder moth, Acronicta alni 4-6, and Cucullia tanaceti 7. Handcoloured copperplate engraving by Johann Carl Bock after Eugenius Johann Christoph Espers Die Schmetterlinge in Abbildungen nach der Natur, Erlangen, 1786.
EditorialAlder psylla, Psylla alni, adults, and nymphs covered in waxy secretions on leaves. Handcoloured lithograph from Georg Friedrich Treitschke's Gallery of Natural History, Naturhistorischer Bildersaal des Thierreiches, Liepzig, 1842.