Korean J Parasitol.  2016 Oct;54(5):685-691. 10.3347/kjp.2016.54.5.685.

Chewing Lice of Swan Geese (Anser cygnoides): New Host-Parasite Associations

Affiliations
  • 1Department of Microbiology and Plant Biology, University of Oklahoma, Norman, Oklahoma 73019, USA. xiangming.xiao@ou.edu
  • 2U.S. Geological Survey, Western Ecological Research Center, San Francisco Bay Estuary Field Station, Vallejo, California 94592, USA.
  • 3U.S. Geological Survey, Patuxent Wildlife Research Center, Beltsville, Maryland 20705, USA.
  • 4U.S. Geological Survey, Alaska Science Center, Anchorage, Alaska 99508, USA.
  • 5Department of Bioscience, University of Aarhus, Kalø, Rønde, DK-8410, Denmark.
  • 6Department of Environmental Bio-Technology, Chinese Academy of Sciences, Beijing 100085, People’s Republic of China.
  • 7Wildlife Science and Conservation Center, Ulaanbaatar 210351, Mongolia.
  • 8Ornithology Laboratory, Institute of Biology, Mongolian Academy of Sciences, Ulaanbaatar 210351, Mongolia.

Abstract

Chewing lice (Phthiraptera) that parasitize the globally threatened swan goose Anser cygnoides have been long recognized since the early 19th century, but those records were probably biased towards sampling of captive or domestic geese due to the small population size and limited distribution of its wild hosts. To better understand the lice species parasitizing swan geese that are endemic to East Asia, we collected chewing lice from 14 wild geese caught at 3 lakes in northeastern Mongolia. The lice were morphologically identified as 16 Trinoton anserinum (Fabricius, 1805), 11 Ornithobius domesticus Arnold, 2005, and 1 Anaticola anseris (Linnaeus, 1758). These species are known from other geese and swans, but all of them were new to the swan goose. This result also indicates no overlap in lice species between older records and our findings from wild birds. Thus, ectoparasites collected from domestic or captive animals may provide biased information on the occurrence, prevalence, host selection, and host-ectoparasite interactions from those on wild hosts.

Keyword

Trinoton anserinum; Ornithobius domesticus; Anaticola anseris; chewing louse; swan goose

MeSH Terms

Animals
Bias (Epidemiology)
Birds
Far East
Geese*
Lakes
Mastication*
Mongolia
Phthiraptera*
Population Density
Prevalence
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