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</o:shapelayout></xml><![endif]--></head><body lang=PT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello All,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have some doubts regarding pest control in insect collections and I was looking for some advice in what the best practices are regarding this matter.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>In our Museum, the insect collection was kept pest-free using Naphthalene, though due to health issues of the people working with it has been decided to stop using this product, which I think works as a repellent and no insecticide. The room where the insects are stored still has a strong odor of naphthalene impregnated probably in the wooden cabinets, though we are not sure if this strong odor is enough to keep pests out.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>At the moment, pest control is done monthly with Piretrine, which is supposed to have an insecticide action for 3 weeks. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>This plan seems to be too expensive to keep, so I would like to know if there is any alternative pest-control method which does not rely on the monthly Piretrine treatment.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The room does not have any temperature control or ventilation system, so this is also not an option.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I would really appreciate any advice you could provide on this subject or if you could point me to some good guide about pest control in insect collections.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you very much.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Filipe Lopes <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='mso-fareast-language:PT'>National Museum of Natural History and Science<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:PT'>Rua da Escola Politécnica,<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:PT'>1250-102 Lisboa<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:PT'>Portugal</span><span style='mso-fareast-language:PT'> <o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:PT'>Telephone: +351213921855<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1D1B11;mso-fareast-language:PT'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>