Ubiquitous variability in the prevalence of Trichobilharzia stagnicolae (Schistosomatidae) infecting Stagnicola emarginata in three northern Michigan lakes

The Journal of Parasitology
Nathaniel R CoadyAbbie Sommers

Abstract

During 4 consecutive collecting seasons from 1998 through 2001, 77,326 common beach snails (Stagnicola emarginata, Lymnaeidae) were examined for infections by Trichobilharzia stagnicolae from multiple sites on Walloon Lake, Higgins Lake, and Lake Leelanau, located in the northern region of the lower peninsula of Michigan. Snails were examined for infections using the light-box technique (exposure to bright fluorescent light). The prevalence of infected snails varied significantly among lakes within a year, between years in a lake, at a site from year to year, and at a site over a collecting season. Overall annual prevalence ranged from 0.54% (1999) to 1.32% (2001) on Walloon Lake, from 0.56% (2001) to 1.06% (1998) on Higgins Lake, and 0.30% (2001) to 0.89% (2000) on Lake Leelanau. Generally, the peak in prevalence coincided in July on the lakes. Prevalence was found to increase with snail length in all lakes. A comparison of the light-box technique and crushing snails demonstrated that prevalence varied in magnitude by technique as much as 1.2 and 5.7 times.

References

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Citations

Aug 24, 2012·Clinical Reviews in Allergy & Immunology·Libuše KolářováMichael Doenhoff
Aug 13, 2010·Drug Safety : an International Journal of Medical Toxicology and Drug Experience·Beate Aurich-BarreraSaad Shakir
Jan 9, 2015·Clinical Microbiology Reviews·Petr HorákSara Vanessa Brant
Aug 19, 2018·EcoHealth·Sydney P RudkoPatrick C Hanington
May 8, 2019·International Journal for Parasitology. Parasites and Wildlife·Sydney P RudkoPatrick C Hanington

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