Pine lumber in buildings in the historic center of Morelia that exhibited signs of attack were collected between 1999 until 2007. Four species were identified from this material. Two species were in the order Isoptera: Incisitermes marginipennis Latreille (Kalotermitiidae), Reticulitermes serratus Mendez (Rhinotermitidae), while the others were from the order Coleoptera: Calymmaderus oblongus (Gorham) (Anobiidae) and Tomolips quercicola (Curculionidae). C. oblongus and I. marginipennis caused the greatest economic impact in historical timber monuments in Morelia. The collection of T. quercicola represents the second record for this species and the first for Mexico and Michoacan, R. serratus was reported for the first time damaging wood in use in Mexico and represents a new record for Morelia, Michoacan. This species was only recently described in 2002. En revisiones hechas a madera de pino con indicios de ataque por insectos xilófagos, en edificios del centro histórico de Morelia, desde el año de 1999 hasta el 2007, se colectaron insectos en piezas de madera de pino, determinando la presencia de 4 especies, dos corresponden al orden Isóptera: Incisitermes marginipennis Latreille (Kalotermitiidae), Reticulitermes serratus Méndez, (Rhinotermitidae); y dos al orden coleoptera: Calymmaderus oblongus (Gorham) (Anobiidae), Tomolips quercicola (Curculionidae). Las especies que causan mayor perdidas económicas a la madera de monumentos históricos de Morelia son C. oblongus e I. marginipennis. La especie T. quercicola representa el segundo registro para México y primero para Michoacán, R. serratus se reporta por primera vez dañando madera en uso en México y representa nuevo registro para Morelia, Michoacán, siendo una especie nueva para la ciencia descrita en el 2002.

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