Circadian rhythmicity of locomotor behavior and oviposition in female Teleogryllus commodus |
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Authors: | Werner Loher |
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Institution: | (1) Department of Entomological Sciences, University of California, 94720 Berkeley, California, USA |
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Abstract: | Summary Locomotor activity of the Teleogryllus commodus is under circadian control, with LL=25.3 h and DD=23.4 h. In LD 12:12 h, running occurs either exclusively during darkness (57%), mainly in the dark phase (35%), or with substantial activity peaks in both phases (8%). For oviposition, LL>24 h and DD<24 h; in LD 12:12 h, 80% of the ![female](/content/r18t2911hg761jl6/xxlarge9792.gif) studied deposited their eggs mainly during the light phase and 20% primarily during darkness. In the discussion, a temporal correlation between stridulation, spermatophore formation, and locomotion, and oviposition is established, which serves to make an encounter and mating between the sexes as likely as possible.Dedicated to Prof. Dr. M. Gersch on the occasion of his 70th birthday |
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