Tag Archives: midge

Sticky Plants

When you use a technical botanical manual to identify a plant, you will often encounter vague references to “glands” or “glandular hairs” on various plant parts, without any indication of the functions of these structures. Four years ago I wrote about … Continue reading

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Green Islands

In Idaho at the end of September, 2012, Julia and I noticed some striking green spots on dogwood leaves that were otherwise senescing. As you may have noticed, each of them was centered along a major vein.  When we flipped … Continue reading

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Hackberry Midge Galls Revisited

In yesterday’s mail I was pleasantly surprised to find a copy of Raymond J. Gagné’s new paper on hackberry gall midges*.  As promised, I am following up with more information on the galls pictured in this post from two years ago. … Continue reading

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Goldenrod Rosette Galls, Part 3

Last August I mentioned I was heading off to do some work in Maine and that I might bump into some more of the seaside goldenrod rosette galls that were only known from a single example I had collected on … Continue reading

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Flies from a Goldenrod Leaf

As part of my survey of gall-making and leaf-mining species of Nantucket last summer, I collected a number of Elliott’s goldenrod (Solidago latissimifolia) leaves with mines like this one: Beginning three days later, agromyzid flies emerged from these mines over … Continue reading

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Midges from Desert Blooms

Well, I’ve just finished the fifth of the ten reports I have to submit by the end of the year, so I suppose I can afford to pause for a moment and fill you in on some breaking news in … Continue reading

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Goldenrod Rosette Galls, Part 2

On September 8 last year, while conducting a survey of galls and leaf mines of Nantucket, Noah Charney, Sydne Record, and I came across this rosette gall on seaside goldenrod (Solidago sempervirens) at the west end of the island: As … Continue reading

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