From 1974 to 1984 the investigators of Wood Division (IPT) inspected, for insect attack, more than 1,500 buildings of several kinds: commercial, residencial and historical buildings, houses and industries. In all cases, IPT was asked to give advices on control and erradication. During that time three papers concerning this problem were published (Cavalcante, 1976; De Lelis, 1978; Zanotto & Canedo, 1982). This paper, comprising partial data from the above papers, lists insects found, estimates the costs necessary to control them, and reports the most common factors that have been found favouring infestations in the inspected buildings.

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