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Photic signaling in the firefly Photinus greeni.

J. Buck,E. Buck

Published 1972 in The Biological Bulletin

ABSTRACT

1. In duplicating the courtship signals of Photinus greeni it was found possible to substitute flashes of artificial light for either the male or the female.2. In confirmation of previous work, the courtship signals of P. greeni were found to depend on the female's recognition of the male's stimulus signal of two flashes and the male's recognition of the female's fixed response interval after his second flash. At 27° C the acceptance limits of the male's phrase were from about 1.1 to 1.7 seconds and the limits of the female's response latency were from about 0.8 to 1.1 seconds.3. Within wide limits the delivery rate of the male's two-flash signal ("phrase"), and the intensities, durations and source areas of the flashes of male and female, are immaterial to the success of the signaling.4. The two flashes of the male's stimulus phrase can be made multiple, or increased several-fold in duration, without preventing the female from responding, as long as the proper time relation between the starts of the firs...

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