Tag Archives: sawfly

Pine Needle Bananas – Mystery Solved!

Nine years ago this month, I published the first in a series of “monthly mystery” posts in which I wrote about nagging natural history mysteries with the hope that someone out there might have some answers, or at least suggest … Continue reading

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Another Sawfly Surprise

I’m finally getting back to working on my guide to sawfly larvae, after a very busy field season followed by several weeks of focusing on writing papers—some of which have involved documenting new host records and previously undescribed sawfly larvae, … Continue reading

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Oak Shotholes

At the moment there are 648 observations on iNaturalist purporting to show the “oak shothole leafminer” (Agromyzidae: Japanagromyza viridula). Apparently I have personally verified 93 of them, in almost all cases based on the presence of leaf mines. Virtually all … Continue reading

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First sawflies of the season!

I took all my overwintering larvae and pupae out of the fridge on March 1, and so far two agromyzid flies, two scathophagid flies, two braconid wasps, two eulophid wasps, and seven sawflies have emerged as adults. Apart from the … Continue reading

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The Yard List(s), Part 12

If you have somehow been keeping up with all these posts, you will recall that back in Episode 10 I found a sawfly larva on lady fern (Athyrium angustum) next to my house. Yesterday I stepped out the front door … Continue reading

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The Yard List(s), Part 11

Now that I’ve declared my intention to find as many sawfly larvae as possible, they’re starting to show up everywhere I look. Today Julia and I made a rare trip away from home, lured by the news from my mother … Continue reading

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The Yard List(s), Part 10

Yikes, I let more than a week go by since my last report on the yard lists. I guess I’m due for an update! First the leafminers… #32: Pegomya bicolor section (Anthomyiidae). On May 30 I saw the beginnings of mines … Continue reading

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Willow Stem Galls

Swellings on willow stems can be caused by a variety of gall midges, sawflies, agromyzid flies, and buprestid beetles. In many cases I have no clue as to the identity of the gall inducer just from looking at a photo … Continue reading

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The Yard List(s), Part 9

Things are really picking up now… First of all, I collected something from the arborvitae hedge at the end of the day yesterday that I didn’t get around to investigating until this morning. There were two of these little white … Continue reading

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The Yard List(s), Part 8

You may recall that back in early April I said that this year I would be listing not just the leafminers and edible plants I find in my yard, but also the sawfly larvae. So ever since I spotted the Monoctenus … Continue reading

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