Evaluating the Effects of Minimal Risk Natural Products for Control of the Tick, Ixodes scapularis (Acari: Ixodidae)

A - Papers appearing in refereed journals

Dyer, M. C., Requintina, M. D., Berger, K., Puggioni, G. and Mather, T. N. 2021. Evaluating the Effects of Minimal Risk Natural Products for Control of the Tick, Ixodes scapularis (Acari: Ixodidae). Journal of Medical Entomology. 58 (1), pp. 390-397. https://doi.org/10.1093/jme/tjaa188

AuthorsDyer, M. C., Requintina, M. D., Berger, K., Puggioni, G. and Mather, T. N.
Abstract

Knockdown and residual activity of 10 minimal risk natural products (MRNPs), one experimental formulation of nootkatone, and two bifenthrin labels were evaluated against host-seeking nymphal Ixodes scapularis Say using a novel micro-plot product screening system placed in a landscape setting similar to a wooded residential property. The MRNPs evaluated included Tick Stop, EcoPCO EC-X, Met52 EC, CedarCide PCO Choice, EcoEXEMPT IC2, EcoSMART Organic Insecticide, Essentria IC3, privately labeled products 1 and 2 (based on EcoEXEMPT IC2 and sold as a professional pest control application), and Tick Killz. Just the nootkatone and 4 of these 10 products tested (EcoPCO EC-X, Met52 EC, EcoEXEMPT IC2, and Essentria IC3) had statistically significant (P < 0.05) knockdown effects (killed ticks while active in the arenas) when compared to water-only controls, but only 2 of these, EcoPCO EC-X and nootkatone, displayed significant residual tick-killing activity after weathering naturally in the landscape for 2 wk prior to tick application/testing. Moreover, botanical oil-based products with the same active ingredients provided inconsistent results when tested multiple times across study years.

KeywordsBlacklegged tick; Natural product; Botanical oil; Tick control; Ixodes scapularis
Year of Publication2021
JournalJournal of Medical Entomology
Journal citation58 (1), pp. 390-397
Digital Object Identifier (DOI)https://doi.org/10.1093/jme/tjaa188
Open accessPublished as bronze (free) open access
FunderBiotechnology and Biological Sciences Research Council
Publisher's version
Output statusPublished
Publication dates
Online12 Oct 2020
Publication process dates
Accepted17 Apr 2020
ISSN0022-2585
PublisherOxford Univ Press Inc

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