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Photo#108595
Wasp? - Typocerus zebra

Wasp? - Typocerus zebra
Arnoldsville, GA, Oglethorpe County, Georgia, USA
May 9, 2007
Size: 1.5 cm
Although I've named this as a syrphid, the antennae look much too long to be a fly. I haven't seen anything in the Apocrita that match this.

Sorry about the image - it was nestled in a milkweed close to the near-flowering meristem and would not be moved to a more favorable location. One thing of possible interest, when I gently tapped the back of the leaf it was on, a large white globule of liquid was exuded at one of its rear legs. I do have a fuzzy photograph of that.

...
looks like a Longhorn Beetle (Cerambycidae).
e.g.:

 
Lepturinae
I'ts in the subfamily Lepturinae, and based on the triangular markings on base of the elytra, its most likely Typocerus zebra

 
My gosh
I would never have thought of that, but now that you've brought it up, the articulated antennae seem right. The mimicry, if so, is amazing.

Now for that exuded droplet after harrassment.

Thanks for that.

 
Reflex Bleeding
Some beetles release haematolymph ("bug blood") from their joints when disturbed. This usually contains substances that are poisonous and/or taste/smell truly nasty. Such beetles are usually very colorful- so the traumatized predator has no trouble remembering which type of prey to avoid next time

 
Thanks
Thanks for that explanation. Somehow it seems ok if you're a beetle :-)

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