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The efficacies of 5 insecticides against hard ticks Hyalomma asiaticum, Haemaphysalis longicornis and Rhipicephalus sanguineus.
- Source :
-
Experimental Parasitology . Oct2015, Vol. 157, p44-47. 4p. - Publication Year :
- 2015
-
Abstract
- At present, chemical-based tick control strategies are still the most efficient and widely used methods in control of ticks and tick-borne diseases. In this study, the efficacies of lambda-cyhalothrin, beta-cypermethrin, emamectin benzoate, spirotetramat and hexaflumuron in vitro were evaluated against Hyalomma asiaticum , Haemaphysalis longicornis and Rhipicephalus sanguineus that are widespread and able to transmit a variety of human and animal diseases in China. The results showed that the LC (lethal concentration) 50 of lambda-cyhalothrin, beta-cypermethrin, emamectin benzoate, spirotetramat and hexaflumuron were 22.05, 107.35, 287.62, 432.25 and over 6250 mg/L to Hy . asiaticum engorged nymphs, respectively. The LC50 of lambda-cyhalothrin and beta-cypermethrin were each to 100.69 mg/L and 340.05 mg/L against Hy . asiaticum unfed adults. In addition, 50 mg/L of lambda-cyhalothrin could completely inhibit engorged females of the 3 tick species to lay eggs. These results indicate that lambda-cyhalothrin has the highest efficacy and broadest spectrum for against the 3 tick species. The present study provides some information for selecting chemical acaricides in control ticks and tick-borne-diseases, as well for preparing acaricide mixtures to improve killing efficacy, and retard the advent of tick-resistance of acaricides in China. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00144894
- Volume :
- 157
- Database :
- Academic Search Index
- Journal :
- Experimental Parasitology
- Publication Type :
- Academic Journal
- Accession number :
- 109548298
- Full Text :
- https://doi.org/10.1016/j.exppara.2015.06.011