Flight initiation of Triatoma infestans (Hemiptera: Reduviidae) under natural climatic conditions.

Journal of Medical Entomology
Juan M GurevitzR E Gürtler

Abstract

Flight dispersal of Triatoma infestans Klug is probably the most important mechanism for house reinfestation at a village scale after residual spraying with insecticides. The aim of the current study was to estimate the flight initiation probability of field-collected T. infestans and to assess how this probability was affected by sex, adult age, partial bloodmeal, and the presence of a host inaccessible for feeding. Four experimental series, each consisting of three to six consecutive nights and repeated measurements of flight initiation on each individually marked bug, were carried out in experimental huts inside closed cages under natural climatic conditions. We demonstrate that flight initiation probability of T. infestans is much higher than previously reported, responds to temperature in a sigmoid manner, and is higher in females than males, and that the frequency distribution of the number of flights per individual is highly aggregated in female and male bugs. The age of adults had strong effects on flight initiation, whereas the presence of an inaccessible host and a partial bloodmeal exerted no significant effects in models controlling for the effects of bug weight-to-length ratio. The high flight potential found is co...Continue Reading

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Citations

Feb 11, 2014·Mathematical Biosciences and Engineering : MBE·Britnee Crawford, Christopher Kribs-Zaleta
Jul 29, 2009·PLoS Neglected Tropical Diseases·Heinrich Zu DohnaJoel E Cohen
Jan 12, 2010·Journal of the Royal Society, Interface·Michael Z LevyJoshua B Plotkin
Apr 23, 2010·Emerging Infectious Diseases·Romina V PiccinaliRicardo E Gurtler
Mar 10, 2012·The American Journal of Tropical Medicine and Hygiene·Jennifer ManneMarcia C Castro
Mar 31, 2010·Journal of Chemical Ecology·Claudia A ZachariasGabriel Manrique
Jun 7, 2007·Tropical Medicine & International Health : TM & IH·Wilfrid RicherFrançois Noireau
Nov 17, 2017·The American Journal of Tropical Medicine and Hygiene·Rachel Curtis-RoblesGabriel L Hamer
May 28, 2016·Journal of Vector Ecology : Journal of the Society for Vector Ecology·Luciana AbrahanSilvia Catalá
Sep 9, 2008·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·P L MarcetE M Dotson

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