Abstract
Virgin females of Attagenus fasciatus, (Thunberg) produce a sex pheromone. The females begin pheromone release at 5-10 days age and the release continues with the same level at all older ages. Male response is associated with pheromone release. The pheromone is released after 50-80 minutes from the onset of the photophase (12:12 L:D) and continues for 4.5 hr. with a peak level after 2 hr and 50 minutes for one and half hour. Starvation does not affect either pheromone release or male response. Mating strongly reduces pheromone release.
Highlights
Attagenus fasciatus (Thunberg) larvae have an economic importance as a destructive pest for stored materials woolen textiles
*range per day Effect of age on pheromone release: Data presented in Table 2 show that virgin females could not produce sex pheromone, as estimated by percent male caught, during the period of 0-5 days only three females out of 22 could
The present study indicates that only sexually mature female adults of A. fasciatus produce the sex pheromone since males were trapped by virgin female baited traps
Summary
Some biological information on this insect has been reported, (Ali; 1992; 1993; Ali et al.; 1997), no pheromone information are available for this pest, the aim of the present study is to investigate the presence of an attractant pheromone using a simple trap
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Schedule a callMore From: Egyptian Academic Journal of Biological Sciences. C, Physiology and Molecular Biology
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