First appearance of the Entomologist's Monthly Magazine in England together with the reappearance of the Entomologist indicates a surge of entomology in England.
Jean Baptiste Alphonse Déchauffour de Boisduval was a French lepidopterist, botanist, and physician.
Jules Pierre Rambur was a French entomologist.
Pierre-Justin-Marie Macquart was a French entomologist specialising in the study of Diptera. He worked on world species as well as European and described many new species.
Charles Jean-Baptiste Amyot was a French lawyer and entomologist especially interested in the Hemiptera.
Charles Donckier de Donceel was a Belgian entomologist mainly interested in Lepidoptera. He wrote (1882) Catalogue des Lépidoptères de Belgique. Annales de la Société entomologique de Belgique 26: 5-161 and many short papers on insects in the same journal. He was a Member of the Royal Belgian Entomological Society.
Paul Mabille was a French naturalist mainly interested in Lepidoptera and botany.
Pocota is a genus hoverflies, from the family Syrphidae, in the order Diptera.
Voriini is a tribe of flies in the family Tachinidae. More junior homonyms exist of Wagneria than any other animal genus name.
Dexiinae is a subfamily of flies in the family Tachinidae.
Eryciini is a tribe of flies in the family Tachinidae
Percy Ireland Lathy was an English entomologist who specialised in butterflies. He was an acquaintance of James John Joicey and was associated with Joicey's Hill Museum in Witley, Surrey.
Henri Stempffer was a French entomologist who specialized in the study of Lycaenidae butterflies.
Eugène Boullet full name Eugène Anatole Auguste Victor Boullet was a French naturalist, entomologist and collector.
Abbé François Joseph Fettig was a French entomologist specialising in Lepidoptera and Coleoptera.
Alexandre Constant also known as Alfred Constant was a French entomologist who specialised in Lepidoptera.
Charles Théophile Bruand d'Uzelle was a French entomologist who specialised in microlepidoptera. He described several new species and erected the families Elachistidae, Oecophoridae and Roeslerstammiidae and the geometrid tribes Ourapterygini and Hemitheini. He was a member of the Société entomologique de France. His macrolepidoptera and Psychidae collections are held by the Natural History Museum, London and the microlepidoptera by the Musee d'Histoire Naturelle, Paris.
Charles Boursin (1901–1971) was a French entomologist, born into a comfortable bourgeois Catholic family in Nantes. Having had a German governess, he spoke German from his earliest days and remained "perfectly" bilingual in both during his lifetime. He also spoke Hungarian and Russian. Despite his formal humanist education he showed an early interest in the natural sciences.