12th International Working Conference on Stored Product Protection (IWCSPP) in Berlin, Germany, October 7-11, 2018 Julius-Kühn-Archiv 463 41 LÓPEZ-VERGÉ, S., BARROETA, A. C., RIUDAVETS, J. AND J. J. RODRÍGUEZ-JERez, 2013: Utilization of Sitophilus zeamais (Motschulsky) larvae as a dietary supplement for the production of broiler chickens. Proceedings of the Nutrition Society, 72 (OCE5), E315. doi:10.1017/S0029665113003492 MAGRO, A., BARATA, M., MATOS, O., BASTOS, M., CAROLINO, M. AND A. MEXIA, 2008: Contribution for Integrated Management of Stored Rice Pests-Handbook, IICT, Lisboa, 63p. ISBN: 978-972-672-974-7. 31. NUNES, M. C., RAYMUNDO, A., AND I. SOUSA, 2006: Rheological behaviour and microstructure of pea protein / kappa-carrageenan / starch gels with different setting conditions. Food Hydrocolloids, 20: 106-113. http://dx.doi.org/10.1016/j.foodhyd.2005.03.011 PITT, J.I. AND A. D. HOCKING, 2009: Fungi and food spoilage. Springer. New York, ISBN 978-0-387-92207-2. R CORE TEAM, 2017: R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. URL http://www.R-project.org/ SAINT-DENIS, T., AND J. GOUPY, 2004: Optimization of a nitrogen analyser based on the Dumas method. Analytica Chimica Acta, 515(1), 191–198. SINGH, N. B. AND R. N. SINHA, 1977: Carbohydrate, Lipid and Protein in the Developmental Stages of Sitophilus oryzae and S. granarius (Coleoptera: Curculionidae), Annals of the Entomological Society of America, (70) 1: 107–111. https://doi.org/10.1093/aesa/70.1.107 TORRES, M.D., RAYMUNDO A. AND I. SOUSA, 2014: Influence of Na+, K+ and Ca2+ on mechanical and microstructural properties of gels formed from blends of chestnut and rice flours. Carbohydrate Polymers 102 (1): 30-37. http://www.sciencedirect.com/science/article/pii/S014486171301151X WICKLOW, D.T., 1995. The mycology of stored grain: an ecological perspective. In: Jayas (Ed.), Stored Grain Ecosystems. M. Dekker, Inc., New York, 197-249. Survey of dermestids of the genus Trogoderma in grain storages in Spain Jordi Riudavets 1 *; Nuria Agustí 1 , Pedro del Estal 2 , Cristina Castañé 1 1 IRTA. Ctra. de Cabrils km 2. 08348-Cabrils. Barcelona. 2 Universidad Politécnica de Madrid, ETSI Agronómica, Alimentación y Biosistemas, Producción Agraria. Ciudad Universitaria s/n, 28040. Madrid. *Corresponding author: jordi.riudavets@irta.cat DOI 10.5073/jka.2018.463.011 Several Trogoderma species of the family Dermestidae are important pests of stored products. Among them, Trogoderma granarium Everts, is one of the most harmful pests of cereal grains for all countries that are major exporters of agricultural commodities and for their trading partners (Athanassiou et al., 2016). Therefore, in most countries a very strict quarantine legislation exists to prevent the introduction of this pest (Myers and Hagstrum, 2012). Trogoderma granarium is considered an endemic species in the southern Mediterranean region, and it has been intercepted or eradicated in many European countries. Nevertheless, global warming and the increase in international trade of raw materials are favoring its expansion. The establishment of T. granarium can likely occur in countries with more than 4 months per year with an average temperature higher than 20ºC (EPPO, 2011). However, temperatures in storage facilities can be higher than in open field, so there is also a risk of establishment in colder climatic areas. According to the EPPO, T. granarium is present in Spain with a restricted distribution. But, while it has been detected in the country, there is no evidence of its establishment. It was found in 1952, but, after that record, there have been no new records of its presence (Banks 1977, Rebolledo and Arroyo 1993). Therefore, it is important to know whether T. granarium is present or not in Spain to take the necessary measures for its eradication or management. In the present study, a survey of the species of the genus Trogoderma has been conducted to determine the species present in grain storage facilities in Spain and their phytosanitary importance. In 2016 and 2017, we sampled with traps baited with the pheromone of Trogoderma spp. in fifteen warehouses and grain silos along the Spanish Mediterranean coast. Monthly samples were collected in each sampling location using five PC floor traps placed in the storage facilities and three probe traps inserted in the grain piles. Taxonomic keys were used for the identification of the specimens found, as well as T. granarium-specific molecular markers by conventional PCR analysis. A total of 3,276 Trogoderma specimens were captured in almost all locations sampled. However, no T. granarium were found. The majority of them were T. inclusum Leconte, and some were T. variabile