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Timing of Photinus collustrans Reproductive Activity: Finding a Mate in Time (Coleoptera: Lampyridae)

Steven R. Wing
The Coleopterists Bulletin
Vol. 45, No. 1 (Mar., 1991), pp. 57-74
Stable URL: http://www.jstor.org/stable/4008783
Page Count: 18
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Timing of Photinus collustrans Reproductive Activity: Finding a Mate in Time (Coleoptera: Lampyridae)
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Abstract

Adult Photinus collustrans fireflies are found from April to October with population peaks in early May and in August. Peaks of male and female abundance occur during the same weeks of the year. Males start nightly signaling first in darker areas of the habitat, and they start earlier when males are more abundant. On the first night females leave their burrows in the soil for mate attraction; most exits correspond with the nightly peak in abundance of signaling males. On subsequent nights, females that remain unmated exit earlier, thus overlapping their availability with more of the male signaling period. Unmated females may remain outside of the burrow long after males have ceased signaling for the night. That females thus continue to expose themselves to the risk of predation with no apparent chance of mating is unexpected and deserves further study.

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