Abstract
Females of a pinyon pine bark beetle,Ips hoppingi Lanier, were less attracted by the aggregation pheromone produced by conspecific males than by the pheromone produced by the neighboring sibling species,I. confusus (LeConte). Cross-attraction was elicited by males infesting the regional pinyon pine hosts (P. discolor andP. edulis) of eitherIps species in south-eastern Arizona. Pheromonal specificity has not accompanied speciation in this species pair.
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Cane, J.H., Merrill, L.D. & Wood, D.L. Attraction of pinyon pine bark beetle,Ips hoppingi, to conspecific andI. confusus pheromones (Coleoptera: Scolytidae). J Chem Ecol 16, 2791–2798 (1990). https://doi.org/10.1007/BF00979473
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DOI: https://doi.org/10.1007/BF00979473