Hormonal Termination of Larval Diapause in Dermacentor albipictus

See allHide authors and affiliations

Science  24 Jan 1969:
Vol. 163, Issue 3865, pp. 390-391
DOI: 10.1126/science.163.3865.390


The molting hormone, α-ecdysone, and an analog ▵7-5β-cholestene-2β,3β, 14α-triol-6-one when applied externally, terminates diapause in larvae of the winter tick, Dermacentor albpictus. This is the first reported hormonal termination of diapause in an arthropod other than an insect.