Monthly Archives: May 2014

Neighbors

Here’s a view of a bald-faced hornet I don’t get to see very often: I took these photos a few minutes ago through the sliding glass door that leads from our kitchen to our deck. When we moved in last … Continue reading

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Chickweed Moth

I’m interrupting this barrage of Arizona oak galls to bring you a moth from my front yard. Julia spotted it this morning as it dove into the lawn just a few feet from our front door. It’s pretty tattered, but a … 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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