08/27/2021
SWAMP MILKWEED AND A SOLITARY MONARCH (PLUS OTHERS)
We've mentioned before the butterfly population at Hilton Pond Center is relatively small, in part because diversity of potential host plants isn’t great. Before we arrived here in 1982 the entire 11 acres was under intense agricultural use for perhaps a hundred years, with plows repeatedly breaki...
08/06/2021
Did you know that some bee species are flower specialists and rely completely on one type of flower for survival?
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Macropis nuda oil bees are solitary bees native to North America found in southern parts of Canada and some of the northern United States. They are flower specialists and female bees will only collect floral oils and pollen found on loosestrife flowers (genus Lysimachia) which they use as food for their brood.
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Oil bees collect pollen and oil with dense hairs found on their legs. Female bees will also visit other flowers for their own nectar needs, but depend completely on oils secreted from specialized glands found on loosestrife flowers as part of a healthy diet for their developing larvae.
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Illustration: Macropis nuda oil bees on spotted loosestrife (Lysimachia punctata), by Steve Buchanan 🐝
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