Art Nouveau insects by Lucien Gaillard (1861–1933).

Art nouveau is famous for it's flowing lines, natural inspiration and artistry. Lucien Gaillard is just one artist.
Gaillard was third generation of Parisian jewelers. He took over the family firm in 1892 he took the firm away from jewelry and shifted the emphasis to larger-scale metalwork. Although the larger work did well around 1900 he returned to jewelry.

Moth Pendant, ca. 1900Lucien Gaillard (French, 1861–1933)Gold, enamel, citrine, and horn. (Picture is from the Metropolitan Museum of Art as is the description.)

Hairpin, c. 1904 , Horn, gold, emerald, diamond, citrine and enamel. (Picture is from Rijks museum)