https://vermontalmanac.org/wp-content/uploads/VTALMANAC_LOGO_STACK_TAG-300x150.png 0 0 Dave Mance III https://vermontalmanac.org/wp-content/uploads/VTALMANAC_LOGO_STACK_TAG-300x150.png Dave Mance III2020-12-19 14:51:202020-12-21 14:51:56About one in a thousand ash trees is able to kill some emerald ash borer larvae and forest geneticists have crossed these rare trees with each other in the hope of finding an ash tree that can kill all the larvae.
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The big damselflies called ebony jewelwing make it hard to walk the brook any faster than at a snail’s pace. The black wings of the males are pretty, but it’s their shining emerald abdomens that stop you in your tracks. They occur in masses here along the top of a new beaver dam.
Insect frass all over your picnic table this year? You’re not alone. Matt Ayers, an ecologist at Dartmouth is happy to see them. He writes that caterpillar abundance fluctuates by 20-fold, depending on the year. It’s all good, not an outbreak, and many different species of caterpillar are providing food for birds this year.
Some of us need to relearn the thrush songs anew every year: the sort of ee-o-lay of the wood thrush, followed by a buzz; the longish first note of the hermit thrush followed by a jumble; the downward slide (think V) of the veery.
Bears have been digging up jack-in-the-pulpits throughout the hardwood parts of our land. They make neat, clean little cone-shaped holes and only eat the big plants. The small jacks that so often surround the parent plants remain – until next year.
The green frog tadpoles that overwintered in our pond are getting legs, mostly back legs at this point. Meanwhile, adult females are laying small eggs in big masses. It takes a year to make a green frog.