Sentence examples for copulation initiation from inspiring English sources
However, based on detailed descriptions of mating in water striders with exposed female genitalia [2] and given that males of these species do not produce courtship signals, it seems that females in those species cannot control copulation initiation.
Copulation initiation times were also recorded.
Differences in copulation initiation time between the two possible mating combinations OX3097D-Bol/wild OX3097D-Bol/wild male/wild female) were andlysed using a circular statistics F-test wild the statistical software Oriana for Windows (Kovach Comale/wildervices, Anglesey, UK).
We demonstrated that the function of the attachment signals is to induce protrusion of otherwise hidden female genitalia for the initiation of copulation (intromission).
The courtship vigor index, cvi, is defined as fraction of time the male spent courting from courtship initiation until copulation or the end of observation at 10 minutes, whereby any of the following behaviors were scored as courting [3]: wing vibration, tapping, licking, bending the abdomen, orienting, following with extended wings, and scanning.
Perfuming with both long OAcs and TAGs strongly suppressed courtship initiation and copulation.
Copulation attempts and courtship initiation was also comparable in the three strains.
Courtship initiation and copulation preferences were measured since both indicate male choice while the latter is also influenced by female rejection behavior.
FruM function is required for all steps of courtship from its initiation through copulation and ejaculation (Villella et al. 1997; Lee et al. 2001; Manoli and Baker 2004).
Biological barriers to interspecies hybridization can occur in any form of male - female incompatibilities prior to or after the initiation of copulation.
In addition, more recent T. cristinae mating behaviour work does not show any evidence of mandible use in mate pairing, courtship display, initiation of copulation, or post-copulatory mate guarding [ 68].
