University of California

Photoperiod in relation to diapause in Lygus hesperus Knight


G. W. Beards
F. E. Strong

Authors Affiliations

George W. Beards was a graduate student, Department of Entomology, Davis; Frank E. Strong was Associate Professor of Entomology, Davis.

Publication Information

Hilgardia 37(10):345-362. DOI:10.3733/hilg.v37n10p345. March 1966.

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Lygus besperus Knight, a common polyphagous insect pest of certain widely grown California crops, undergoes a seasonal facultative diapause. Experiments described here were conducted upon both field-collected and laboratory-raised L. besperus populations and have demonstrated the critical effects of photoperiod and temperature upon the inception, termination, nullification, and intensity of diapause in this species.

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Beards G, Strong F. 1966. Photoperiod in relation to diapause in Lygus hesperus Knight. Hilgardia 37(10):345-362. DOI:10.3733/hilg.v37n10p345
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