Reports

Thermoperiodic Control of Diapause in an Insect: Theory of Internal Coincidence

Science  27 Jul 1973:
Vol. 181, Issue 4097, pp. 358-360
DOI: 10.1126/science.181.4097.358

Abstract

Females of the parasitic wasp Nasonia vitripennis raised from the egg stage in the total absence of light but subjected to daily temperature cycles (13° to 23°C), are able to distinguish a "short-day" thermoperiod (〈 13 hours at 23°C per day) from a "long-day" thermoperiod (〈 13 hours at 23°C per day) and produce diapausing or developing progeny accordingly.

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