Korean J Parasitol.  2013 Jun;51(3):319-325. 10.3347/kjp.2013.51.3.319.

Seasonal Distribution of Ticks in Four Habitats near the Demilitarized Zone, Gyeonggi-do (Province), Republic of Korea

Affiliations
  • 15th Medical Detachment, 168th Multifunctional Medical Battalion, 65th Medical Brigade, Unit 15247, APO AP 96205-5247, USA.
  • 2Department of Environmental Medical Biology, Yonsei University College of Medicine, Seoul 120-752, Korea.
  • 3Medical Section, 415th Chemical Brigade, 814 Perimeter Rd., Greenville, SC 29605, USA.
  • 4U.S. Public Health Service Commissioned Corps, 8904 Darnestown Road, Rockville, MD 20850, USA.
  • 5Armed Forces Pest Management Board, WRAMC-Forest Glen Annex, Bldg. 172, 6900 Georgia Ave., NW, Washington, DC 20307-5001, USA.
  • 6Veterinary Internal Medicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 151-742, Korea.
  • 7U.S. Army Public Health Command Region-Pacific, Camp Zama, Japan. terry.a.klein2.civ@mail.mil
  • 865th Medical Brigade, Unit 15281, APO AP 96205-5281, USA.

Abstract

This study describes the seasonal distribution of larvae, nymph, and adult life stages for 3 species of ixodid ticks collected by tick drag and sweep methods from various habitats in the Republic of Korea (ROK). Grasses less than 0.5 m in height, including herbaceous and crawling vegetation, and deciduous, conifer, and mixed forests with abundant leaf/needle litter were surveyed at United States (US) and ROK operated military training sites and privately owned lands near the demilitarized zone from April-October, 2004 and 2005. Haemaphysalis longicornis Neumann adults and nymphs were more frequently collected from April-August, while those of Haemaphysalis flava Neumann and Ixodes nipponensis Kitaoka and Saito were collected more frequently from April-July and again during October. H. longicornis was the most frequently collected tick in grass habitats (98.9%), while H. flava was more frequently collected in deciduous (60.2%) and conifer (57.4%) forest habitats. While more H. flava (54.1%) were collected in mixed forest habitats than H. longicornis (35.2%), the differences were not significant. I. nipponensis was more frequently collected from conifer (mean 8.8) compared to deciduous (3.2) and mixed (2.4) forests.

Keyword

Haemaphysalis; Ixodes; tick; seasonal distribution; habitats; Korea

MeSH Terms

Animals
Demography
*Ecosystem
Republic of Korea
*Seasons
Ticks/*classification/*physiology
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