Comparison of insecticidal paint and deltamethrin against Triatoma infestans (Hemiptera: Reduviidae) feeding and mortality in simulated natural conditions. Issue 1 (23rd May 2013)

• Record Type: Journal Article
• Authors: Maloney, Kathleen M.; Ancca‐Juarez, Jenny; Salazar, Renzo; Borrini‐Mayori, Katty; Niemierko, Malwina; Yukich, Joshua O.; Naquira, Cesar; Keating, Joseph A.; Levy, Michael Z.
• Is Part Of: Journal of vector ecology. Volume 38:Issue 1(2013:Jun.)
• Page Start: 6
• Page End: 11
• Publication Date: 2013-05-23
• Subjects: Arthropod vectors -- Ecology -- Periodicals; Animals as carriers of disease -- Periodicals; Animal ecology -- Periodicals; Host-parasite relationships -- Periodicals; Pests -- Control -- Periodicals; 571.986
• DOI: 10.1111/j.1948-7134.2013.12003.x
• Languages: English
• ISSNs: 1081-1710

Abstract

<abstract abstract-type="main" xml:lang="en"> <title>ABSTRACT: </title> <p>The vector of Chagas disease, <italic>Triatoma infestans</italic>, is largely controlled by the household application of pyrethroid insecticides. Because effective, large‐scale insecticide application is costly and necessitates numerous trained personnel, alternative control techniques are badly needed. We compared the residual effect of organophosphate‐based insecticidal paint (Inesfly 5A IGR™ (I5A)) to standard deltamethrin, and a negative control, against <italic>T. infestans</italic> in a simulated natural environment. We evaluated mortality, knockdown, and ability to take a blood meal among 5^th instar nymphs. I5A paint caused significantly greater mortality at time points up to nine months compared to deltamethrin (Fisher's Exact Test, p &lt; 0.01 in all instances). A year following application, mortality among nymphs in the I5A was similar to those in the deltamethrin (χ2 = 0.76, df=1, p &lt; 0.76). At months 0 and 1 after application, fewer nymphs exposed to deltamethrin took a blood meal compared to insects exposed to paint (Fisher's Exact Tests, p &lt; 0.01 and p &lt; 0.01, respectively). Insecticidal paint may provide an easily‐applied means of protection against vectors of Chagas disease.</p> </abstract>