Tag Archives: pupa

A Hidden Masterpiece

Last December, Jennifer Kleinrichert sent me this photo of a polka-dotted larva (prepupa) surrounded by an elaborate silken structure, wondering if I knew what it was: My response: I’m afraid I don’t know this one… I’ve seen a photo of something similar … Continue reading

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Bean Borer

Last August, Julia noticed a few holes in some string beans in the garden. One of holes had droppings pouring out of it, and we could see someone fuzzy inside. I opened this tunnel up for a better look at … Continue reading

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Balloon-faced Flies, Part 3

Twice before, I’ve posted photos of agromyzid flies freshly emerged from their puparia (hardened larval skins in which they pupate), with their faces grotesquely inflated. You may recall that since adult flies have no chewing mouthparts, they emerge from their … Continue reading

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Buckeye Petiole Borer

Back in May, I posted a mystery I had encountered a week earlier involving caterpillars boring in petioles of Ohio buckeye (Aesculus glabra). I’ll copy and paste the relevant photos below, but for explanations you can check out the original post. … Continue reading

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Monthly Mystery #22: Bunchberry Squiggles

Last week I was back in Maine to finish up work on the natural resource inventories I’ve been conducting there.  On Tuesday, some reddish lines radiating from bunchberry (Cornus canadensis / Chamaepericlymenum canadense) leaf bases caught my eye. The first set of … Continue reading

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Mad-Dog Skullcap Moth

I recently spent a month conducting grueling fieldwork in the swamps of southeastern Massachusetts.  As I fought my way through endless thickets of sweet pepperbush and greenbrier, I occasionally paused to collect leaf mines that were new to me.  On … Continue reading

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Dill Moths (and others)

On Tuesday I noticed webbing at the tops of some dill plants in the garden, with moth pupae suspended within.  Most webs had a single pupa, but this one had three: Investigating further, I saw that the developing seeds on … Continue reading

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Norway Maple Seedminer

Two weeks ago I was walking across the Amherst (Massachusetts) town common and I had two minutes to kill before a bus arrived, so I stopped under a Norway maple tree to see if I could find any mines of … 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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Buttonbush Moths

During my last visit to Nantucket for my survey of gall-making and leaf-mining insects on the island, I found a patch of buttonbush (Cephalanthus occidentalis) with an abundance of leaf mines that I didn’t recognize.  Some leaves had linear mines, … Continue reading

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