Ectypa plantarum ratisbonensium :
Regensburg :Verfertiget und verlegt von Johann Mayr ... und gedruckt mit Zeitlerischen Schriften,1787-1793.
biodiversitylibrary.org/page/59792960
Description: English: An illustration from British Entomology by John Curtis. name Hemiptera: Pentatoma caerulea or Zicrona caerulea (Blue Shield-bug).The plant is Erysimum cheiranthoides (Treacle Worm-seed). Date: 1820s date QS:P,+1820-00-00T00:00:00Z/8. Source: https://www.biodiversitylibrary.org/. Author: John Curtis.
Description: Erysimum cheiranthoides subsp. cheiranthoides, syn. Crucifera erysimum E.H.L.Krause Original Caption Schotendotter, Crucifera erysimum. Date: 1796. Source: Figure from Deutschlands Flora in Abbildungen at http://www.biolib.de. Author: Johann Georg Sturm (Painter: Jacob Sturm).