Fulgora graciliceps illustrated by Charles Dessalines D' Orbigny (1806-1876). Digitally enhanced from our own 1892 edition…
https://www.rawpixel.com/image/325093/free-illustration-image-butterflies-public-domain-insects-south-american-artFree Image from public domain license
Flea illustration from The Naturalist's Miscellany (1789-1813) by George Shaw (1751-1813).