"Monographia Apum Angliae" is a comprehensive study of the bees of England, authored by the naturalist Charles De Geer and published in the 18th century. This work is significant for its detailed descriptions and classifications of various bee species, contributing to the understanding of entomology and the biodiversity of pollinators in England. The monograph includes illustrations and notes on the behavior, habitat, and distribution of bees, making it a valuable resource for both scientists and enthusiasts. It highlights the ecological importance of bees and their role in ecosystems, emphasizing the need for conservation efforts to protect these vital insects.