Soil chemistries define aquatic habitats with immature populations of the Culicoides variipennis complex (Diptera: Ceratopogonidae)

Journal of Medical Entomology
Edward T SchmidtmannR P Belden

Abstract

Aquatic habitats with immature populations of the Culicoides variipennis (Coquillett) complex were sampled across the United States and tested for soil chemistry parameters. Indicators of organic loading, phosphate, percentage of organic matter, and nitrate were high for C. variipennis and C. sonorensis, reflecting the common occurrence of larvae in sediments contaminated with livestock waste; these factors were low in western playa lake habitats with immature C. occidentalis. Levels of salt-forming ions and indicators of salinity, notably sodium, chloride, magnesium, sulfate, boron, and conductivity, were elevated in substrates supporting all 3 species, with values that declined from very high to high across the arid west to moderate east of the Mississippi river, and differed significantly among species. Concentrations of boron differed most strongly among habitats of the respective species, ranging from exceptionally high values in playa lake substrates with C. occidentalis, to high and moderate levels in western and southeastern sites with C. sonorensis, to moderate levels for substrates in the east with C. variipennis. The presence of C. sonorensis in dairy wastewater lagoons and saline springs in geographic regions that a...Continue Reading

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Citations

Mar 29, 2007·Animal Health Research Reviews·V RaclozK D C Stärk
Aug 30, 2008·The Journal of Infectious Diseases·Stephen D HillierAlison M Elliott
Jun 10, 2011·International Journal of Environmental Research and Public Health·Kirsty Stephen, D Ipek Kurtböke
Jan 15, 2007·Pakistan Journal of Biological Sciences : PJBS·Foko Dadji Gisèle AurelieTamesse Joseph Lebel
Jun 29, 2004·Journal of Medical Entomology·F R HolbrookW L Grogan
Jun 6, 2014·Journal of Medical Entomology·T J Lysyk, S J Dergousoff
Jun 19, 2015·Vector Borne and Zoonotic Diseases·Robert S PfannenstielDana Nayduch
Jan 15, 2015·Journal of Wildlife Diseases·David E StallknechtJohn R Fischer
Jun 7, 2005·American Journal of Veterinary Research·Alice L GreenThomas E Walton
May 20, 2020·Frontiers in Veterinary Science·Christie MayoT Alex Perkins
Jun 6, 2015·Journal of Vector Ecology : Journal of the Society for Vector Ecology·Robert S Pfannenstiel, Mark G Ruder

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