Korean J Parasitol.  2021 Oct;59(5):481-487. 10.3347/kjp.2021.59.5.481.

Eextermination Speed of an Imidacloprid and Flumethrin Polymer Matrix Collar against Larvae, Nymphs and Adults of Haemaphysalis longicornis

Affiliations
  • 1Department of Parasitology, College of Veterinary Medicine, Chonnam National University, Gwangju 61186, Korea
  • 2Gwangju Metropolitan Government Research Institute of Public Health and Environment, Gwangju 61954, Korea
  • 3Department of Internal Medicine, College of Veterinary Medicine, Chonnam National University, Gwangju 61186, Korea
  • 4Department of Parasitology and Tropical Medicine, Chonnam National University Medical School, Hwasun-gun 58128, Korea

Abstract

The objective of this study was to evaluate the efficacy of an imidacloprid 10% and flumethrin 4.5% polymer matrix collar against the developmental stages of Haemaphysalis longicornis infesting dogs using the hair from treated dogs in a semi-in-vitro assay set. When incubated with 0.5 g of the hair collected from the dogs installed with the drug-embedded collar after 10 days, average death rate of the larval, nymphal, and adult H. longicornis was 21.5%, 77.9%, and 100% at 30 min, 1 hr, and 2 hr, respectively. This study showed the larval stages as well as the nymphal and adult stages of H. longicornis ticks are killed upon contact with the hair from dogs treated with the collar within 2 hr.

Keyword

Seresto; tick; imidacloprid; flumethrin; polymer; collar
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