Riba, J., and M. Blas. 1998. Utilization of baited units sprayed with insecticides to monitor bark beetle populations (Coleoptera, Scolytidae). Page 343 In Book of Abstracts 1, Proceedings of the 6th European Congress of Entomology, 23-29 August 1998, eské Budjovice, Czech Republic. 423 pp.