Tag Archives: Torymus

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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Big, Beautiful Parasitoids

As illustrated by my last post, I’ve resumed working my way through sorting my old photos and have now made it up to this past April.  On April 18, a wasp emerged from a small “oak apple” gall I had … Continue reading

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