On the specific attraction of the males of the six-toothed spruce bark beetle,Pityogenes chalcographus (L.) to a mixture of synthetic pheromones of the eight-toothed spruce bark beetle,Ips typographus (L.) (Coleoptera,Scolytidae) |
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Authors: | Benz G. Bovey P. Junod P. |
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Affiliation: | (1) Department of Entomology and Department of Forest and Wood Sciences, Swiss Federal Institute of Technology, CH-8092 Zürich, Switzerland |
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Abstract: | Summary Traps containing a mixture of attractants forIps typographus also caught other species of bark beetles. The numbers ofPityogenes chalcographus, Pityogenes conjunctus, andTrypodendron lineatum were too high to be interpreted as accidental captures. The males of the polygamousP. chalcographus were specifically attracted, indicating that theI. typographus pheromone or one of its components acts as a kairomone and primary attractant for the pioneering males ofP. chalcographus. |
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Keywords: | Attraction bark beetles Ips typographus kairomone Pityogenes chalcographus population aggregation pheromone Trypodendron lineatum |
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