3464Re: [beemonitoring] Roadside Salt Affects Neural & Muscle Development in Monarchs
- Jul 19, 2014I wonder if this is what bumblebees are doing
when they tongue patches of dry gravel or people's skin or mud. ??
>Research led by Gabriela de Brito Sanchez shows
>that honey bees can
>salt with their tarsomeres (which prompted
>Salt-Sensing Feet Explain Swimming Pool
>Mystery"). Yes, I think honey bees seek out
>sodium. Has anyone seen comparable research for native bees?
>On Wed, Jul 16, 2014 at 12:13 PM,
>[beemonitoring] included below]
>This is an interesting topic that came up in a
>local naturalist blog. It seems applicable to
>bees, too, so thought it worth sharing here.
>The attached study focused on sodium uptake of
>milkweed and oaks near roadsides and any
>potential affects on butterflies. Interestingly
>males and females responded differently to
>increases of this historically limited
>micronutrient.Â Males developed stronger flight
>muscles, whereas females had increased brain
>volume (larger eyes). Both monarchs and cabbage
>whites had higher mortality rates though, but as
>the authors point out this could be due to
>factors other than salt overdose. Many good
>questions were raised, such as, does this affect
>foraging behaviour? morphology? etc.
>With roadsides being prime foraging sites for
>many bees, might it affect them as well? I've
>not seen much on the nutritional needs of native
>bees. Do they seek out sodium like butterflies?
>Even if they don't, how does it effect their
>muscular and neural development? Will we end up
>with males that have super flight abilities and
>brilliant females with extraordinary sight?
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