Tag Archives: Solidago

Monthly Mystery #19: Aster Leaf Tubes

As I mentioned here, I normally can’t be bothered with leafrollers, leaftiers, etc.  Not so much because the thousands of leafminers (not to mention gallmakers) in North America are enough to keep me busy for a while as because what … 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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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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Ovipositors

In one of my first posts, I wrote about some goldenrod rosette galls I collected and the things that were emerging from them.  I pointed out how this female torymid wasp could be recognized by her long ovipositor, which allows her to insert … Continue reading

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A Flurry of Emergences

I had four different insects emerge (or try to emerge) yesterday, and I think I’ll just show them all here rather than make four different posts. First, to follow up on my last post, another Tischeria quercitella mine yielded an … Continue reading

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Goldenrod Ball Galls

Some of the most familiar galls in eastern North America are the spherical ones on goldenrod, which are caused by a fruit fly, Eurosta solidaginis (Tephritidae).  (Tephritid fruit flies have nothing to do with the tiny “fruit flies” common in … Continue reading

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Goldenrod Rosette Galls

There are a number of similar galls on goldenrod that I’m not sure how to tell apart.  They look like dense bunches of leaves at the top of the stem, and sometimes they are so abundant that they might seem … Continue reading

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