Spanish Journal of Agricultural Research (2003) 1, 43-51

C. López, M. Eizaguirre and R. Albajes (2003)
Courtship and mating behaviour of the Mediterranean corn borer, Sesamia nonagrioides (Lepidoptera: Noctuidae)
Spanish Journal of Agricultural Research 1 (1), 43-51
Abstract: The behavioural sequence of courtship and mating of Sesamia nonagrioides Lefèbvre males and females in laboratory cages is described. The attractant capacity of both sexes was studied by tethering males or females. The courtship and mating sequence of tethered females was the same as untethered ones, but tethered males were absolutely inactive. Age (1 day versus 2 days) did not affect the mating rate. Differences in calling time onset and first calling age were found between north-eastern Spanish and Greek populations. The role of hair pencils in courtship flight is discussed, rejecting that they stimulate calling behaviour of females or that they attract females. The influence of adult population density was studied in laboratory and field tests, and was found to have no effect on the mating rate in the controls. However, moth density influenced mating rates where mating disruption treatments were applied. Several consequences for investigations into pheromone composition and its use in monitoring and population control are reported in the discussion. (Full text free for older issues.)
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Database assignments for author(s): Ramon Albajes

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution
pheromones/attractants/traps

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Sesamia nonagrioides		Greece
	Sesamia nonagrioides		Spain (continental)