in Belgium. It becomes a centre for Low Countries entomology. Christoph Friedrich Richter publishes Lehrbuch einer Naturhistorie zu einem gemeinnützigen Gebrauche1773 Gesellschaft Naturforschender Freunde zu Berlin founded. 1774Der Naturforscher (transl. "The Naturalist") commenced then published yearly to 1804 John Coakley Lettsome The naturalist's and traveler's companion, containing instructions for collecting and preserving objects of natural history and for promoting inquiries after human knowledge in general, London: E. and C. Dilly (1774): a much used work on collecting. Johann Bernhard Basedow publishes Elementarwerk, in English "Elementary Book" which includes sections on natural history and insects. 1775 First part of Pieter Cramer's 1775–82 De Uitlandische Kapellen (Papillons Exotiques de Trois Partes de Monde published. Johan Christian Fabricius' Systema entomologica published. 1776 Otto Friedrich Müller published Zoologiae Danicae Prodromus. Peter Brown published New illustrations of Zoology1777 Johann Ludwig Christian Gravenhorst (1777–1857) born (see his wikipage in French). Gravenhorst worked mainly on Ichneumonidae. Eugenius Johann Christoph Esper Europaischen Schmetterlinge commenced publication. 1778 Pierre-Justin-Marie Macquart (1778–1855) born. Macquart worked mainly on Diptera describing many world species. 1779 Jacob Christian Schäffer Icones insectorum circa ratisbonam indigenorum coloribus naturam referentibus expressaepublished. 1779–1780 Johann Friedrich Blumenbach Handbuch der Naturgeschichte. 12 editions and some translations. Published first in Göttingen by J. C. Dieterich 1780 The Society of Entomologists of London formed (short-lived). Caspar Stoll's Natuurlyke en naar 't leeven naauwkeurig gekleurde Afbeeldingen en Beschryvingen der Cicaden en Wantzen, in alle vier Waerelds Deelen Europa, Asia, Africa en America huishoudende, by een verzameld en beschreeven published. Pierre Françoise Marie Auguste Dejean (1780–1845) born. 1781 Franz Paula von Schrank Enumeratio insectorum Austriae indigenorum published at Vienna. August Wilhelm Knoch publishes Beyträge zur Insektengeschichte in Leipzig. Three volumes 1781, 1782, 1783. James Barbut publishes The genera insectorum of Linnæus exemplified in various specimens of English insects drawn from nature. 1782 Encyclopédie Méthodique commenced. Its popularity and ubiquity later ensuring the entomological tableau which appeared from 1817 onwards had a wide audience. Clas Bjerkander Insect-Calender, för år 1781. Kongliga Vetenskaps Academiens Nya Handlingar 3 (4–6): 122–132. Stockholm. Heinrich Gottlob Lang First edition of Verzeichniss seiner Schmetterlinge, in den Gegenden um Augsburg published by Maria Jakobina Klett in Augsberg. 1783 Andreas Johann Retzius publishes Genera et species insectorum. Johan Adam Pollich Descriptio insectorum Palatinorum. Act. Leopoldina VII. Johann August Ephraim Goeze Entomologische Beyträge zu des Ritter Linné zwölften Ausgabe des Natursystems published in Leipzig. 1785 Publication, in Berlin, of Carl Gustav Jablonsky and Johann