Tag Archives: gall

Two-year Gall

This may be a pretty generic-looking gall wasp (Cynipidae), but it has an interesting history.  My first visit to Nantucket, in September 2011, was an intensive four-day survey with Noah Charney and Sydne Record in which we documented as many … Continue reading

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Monthly Mystery #11: Water Oak Galls

There is a distinctive oak gall that has shown up on BugGuide several times, and I have been unable to identify it with my gall references.  The only way to get to the bottom of a mystery like this is … 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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Beggarticks Stem Dwellers

Last August, on one of my visits to Nantucket for my survey of gall-making and leaf-mining insects on the island, I spotted a conspicuous gall that was new to me, in a beggarticks (Asteraceae: Bidens) stem. I broke off the stem … Continue reading

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Eupelmids

Last August on Nantucket I collected some yellow galls on the midribs of dwarf chinquapin oak (Quercus prinoides) leaves.  They are unlike any that I have found before or since, and I have found no references to them in literature, … 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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