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Posts Tagged ‘wasps’

At the time I photographed this little scene (at Bell Smith Springs, Illinois) I was myself unsure of the drama playing out on the oak gall. I sent pictures to wasp expert Hege Vårdal to see if my preliminary guess of a pair of gall parasites was worth anything. Her reply: (more…)

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From the amazing BBC series Life in the Undergrowth:

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From National Geographic’s In the Womb:

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encyrtid6a

A young adult Comperia merceti, a parasitoid wasp in the family Encyrtidae, emerges from the egg case of its cockroach host.

photo details: Canon MP-E 65mm 1-5x macro lens on a Canon EOS 20D
ISO 100, f/11, 1/200 sec, flash diffused through tracing paper

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Happy Halloween!

Braconid wasps attacking caterpillar – pumpkin by Lorenzo Rodriguez
Urbana, Illinois

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Heterospilus sp., head & compound eye, Costa Rica

Here are some shots from my training session this morning at the Beckman Institute‘s Scanning Electron Microscope (SEM).  I haven’t used SEM for years- wow!  Great fun.  Click on each image to enlarge.

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Meet the European Paper Wasp, Polistes dominulus.  Or is it Polistes dominula? Most biologists I know refer to this common Holarctic insect as P. dominulus, but I’ve just learned via Bugguide.net that the common spelling is a grammatical misunderstanding of the original latin:

So it’s P. dominula.  Damn taxonomists.

photo details: Canon MP-E 65mm 1-5x macro lens on a Canon 20D
ISO 100, f/13, 1/250 sec, flash diffused through tracing paper

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