Parasites and Monarchs
Stanley A. Gorodenski
stan_gorodenski at asualumni.org
Thu Apr 7 17:12:15 EDT 2005
I read an interesting summary about a letter that appeared in Ecological
Letters 8, 290, 2005. It appears Monarchs injected with Protozoan
parasites show reduced flight performance and endurance in experimantal
cages. It was estimated this would increase the migration of a Monarch
by about 9-10 weeks, thereby reducing the chance the butterfly will
reach its destination. This was speculated to account for the difference
in parasite burden between populations that migrate and those that do
not, and that habitat destruction and climate change will increase the
prevalence of parasites.
Stan
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