Carroll Williams
Videos
Carroll Milton Williams was an American zoologist known for his work in entomology and developmental biology—in particular, metamorphosis in insects, for which he won the George Ledlie Prize. He perfo
Carroll Williams in 1956
Hyalophora cecropia
Videos
Hyalophora cecropia, the cecropia moth, is North America's largest native moth. It is a member of the family Saturniidae, or giant silk moths. Females have been documented with a wingspan of five to s
Carroll Williams
…tube, to study the effect of the lesions on the metamorphosis. Next he studied the endocrine control of the development of the giant American silkworm Hyalophora cecropia, introducing carbon dioxide as a surgical anesthetic. He showed that a hormone from the brain activated the prothoracic glands to release the moulting…
Cecropia Moth, Boothbay, ME, USA imported from i Naturalist photo 104350647
Cecropia Moth, Distant Hill Gardens, Walpole, NH, USA imported from i Naturalist photo 181722613
Cecropia eggs
1st instar reared on cherry