Until her careful, detailed work, it had been thought that insects were "born of mud" by spontaneous generation. Her pioneering research in illustrating and describing the various stages of development, from egg to larva to pupa and finally to adult, dispelled the notion of spontaneous generation and established the idea that insects undergo distinct and predictable life cycles.
Until her careful, detailed work, it had been thought that insects were "born of mud" by spontaneous generation. Her pioneering research in illustrating and describing the various stages of development, from egg to larva to pupa and finally to adult, dispelled the notion of spontaneous generation and established the idea that insects undergo distinct and predictable life cycles.