Abstract
The mating frequency, duration, and circadian mating rhythm of the New Zealand bug, Nysius huttoni, were investigated in the laboratory (25 ± 1°C, 75 ± 10% RH and a photoperiod of 16: 8h light: dark). Mating occurred throughout the 24h cycle, with a peak taking place between 1 and 8 h into the photophase. Caged pairs mated 67.9 ± 15.3 times in their lifespan. The function of multiple matings may be the transfer of more sperm, increasing overall fertility. Mean mating duration in the photophase (2.31 ± 0.19 h) was significantly longer than that in the scotophase (1.7 ± 0.09 h). The longer mating duration in the photophase may be associated with transfer of more sperm.
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