2009•European mosquito bulletinRequires access
Efficacy and lasting activity of four IGRs formulations against mosquitoes in catch basins of northern Italy
B. Romeo, Antonio D ́. Alessandro, Cláudia Araújo Marco, C. Roberta, Di Martino Luciano, M. Maurizio, Paulo Roberto, V. Rodolfo, C. Giancarlo, L. Nazario
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Abstract
IGRs (Insect Growth Regulators) are chemical insecticide compounds that cause physiological alteration during the development of the insects. Within the IGRs, pyriproxyfen and diflubenzuron are characterized by a low acute toxicity towards mammals and a good safety level for non-target organisms. Both active ingredients are in use as larvicides in mosquito control programmes and in Italy they are registered as liquid, granular and tablet formulations. These products are good candidates for larval control in catch basins where conditions are suitable for the development of Culex pipiens and Aedes albopictus. The trials conducted in four localities of the Emilia-Romagna Region during 2006-2007 were planned to estimate the efficacy and the lasting action of different formulations under conditions in Northern Italy. Three diflubenzuron formulations (DEVICE ® GR-2, DEVICE ® TB-2 and DEVICE ® SC-15) and one pyriproxyfen formulation (SUMILARV ® 0.5G) were tested