Tag Archives: Arizona

In Search of the Lost Sawfly

Greetings to everyone who subscribed to this blog after my recent post about the inhabitants of a clump of sod in my front lawn! This one will take us a little farther afield. As most of you know, I’ve been … Continue reading

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Another Day, Another New Species

Five years ago this month, Julia and I were nearing the end of our first (and longest) trip around the US in search of leafminers. Walking up a desert wash near Tucson, Arizona, we encountered a leguminous shrub that was … Continue reading

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Arizona Oak Galls, Part 5

Here is yet another gall from Arizona white oak. It is another “oak apple,” superficially similar to these, which I now know to be Atrusca aggregata (thanks to Jim Zimmerman, who has studied southwestern cynipid galls for many years and … Continue reading

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Arizona Oak Galls, Part 4

Here is yet another type of gall found on the underside of oak leaves in Madera Canyon. Seven weeks after I collected these, two parasitoids emerged. The one above is another male Torymus (Torymidae), which may or may not be the same … Continue reading

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Arizona Oak Galls, Part 3

Okay, having looked at photos of all the possible species, I’m pretty well satisfied that Arizona white oak (Quercus arizonica) was the host of all of the galls I collected in Madera Canyon that actually produced adult cynipid wasps. Armed … Continue reading

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Arizona Oak Galls, Part 2

Gall #2 is a fancy cup-shaped one found on the undersides of leaves, sometimes in clusters. A month after I collected them, the galls (kept in a tightly sealed vial) had become covered with mold, but a single wasp chewed … Continue reading

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Arizona Oak Galls, Part 1

On my trip around the western US in the fall of 2012, I mostly limited my collecting to leafminers.  However, I made an exception when I got to Madera Canyon, Arizona, because I had found all kinds of interesting oak … Continue reading

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Moths from a Desert Legume

Okay, it looks like the identity of the cherry-ish plant from the northwestern US in my last post is going to remain a mystery, but maybe this plant from the desert Southwest will fare better?  This leguminous shrub (Fabaceae) was … Continue reading

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Monthly Mystery #14: Holes and Tunnels in Agave Leaves

On page 302 of Tracks & Sign of Insects, there is a photo of a fleshy yucca leaf riddled with holes, next to a close-up of the eggs Noah found in one of the holes.  As explained in the text, after … Continue reading

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More Mallow Miners

A few weeks ago I wrote about a mystery plant from Arizona that I suspected was a mallow because of its leaf mines and the fly that had emerged from one of them.  Among the few responses I got, there … Continue reading

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