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Author Topic: Tigers and Golden Dung (was "Robbers")  (Read 922 times)

Arlen

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Tigers and Golden Dung (was "Robbers")
« on: August 15, 2013, 04:41:06 AM »

It's a (robber) fly-eat-fly world out there.
« Last Edit: August 16, 2013, 04:29:37 PM by Arlen »
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Bob_B

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Re: Robbers
« Reply #1 on: August 15, 2013, 09:00:31 AM »

I very much like image #2, but both are great.
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Eric Myrvaagnes

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Re: Robbers
« Reply #2 on: August 15, 2013, 02:52:06 PM »

I very much like image #2, but both are great.
It's a metaphor for present-day politics.
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-Eric Myrvaagnes

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Arlen

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Re: Robbers
« Reply #3 on: August 16, 2013, 04:31:33 PM »

Thanks Bob and Eric.

I'm afraid that I'm guilty of jumping to conclusions based on sloppy observations and unwarranted assumptions, which led to a misleading title. I had seen some robber flies on these flowers earlier, and not being very familiar with fly families, assumed that's what these predatory flies were too. Nope. Further research has revealed that they are two different, but still interesting, types of predatory flies. I've changed the thread title to reflect that.

The first one is a male Golden Dung Fly, so named because of the color of the adult males, and the substance in which larvae make their home. Larvae are very important in nature because of their role in breaking down the, uh, excrement that other animals leave behind. Adults catch other insects for a living, and so hang out in buggy neighborhoods like flowers. This interesting critter is a master of adaptation, having colonized much of the planet--just about anywhere there is animal crap, there you will find them.

The second image is of a Tiger Fly. The behavior that it's exhibiting here perhaps partially accounts for the name, but some individuals also have black stripes on the abdomen. It's also widely distributed across continents.

Flies could hardly be called cute, but viewed up close I have to think they qualify as interesting.
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Eric Myrvaagnes

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Re: Tigers and Golden Dung (was "Robbers")
« Reply #4 on: August 16, 2013, 07:58:39 PM »

These ones are definitely interesting!
Thanks for the additional info.
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-Eric Myrvaagnes

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Bob_B

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Re: Tigers and Golden Dung (was "Robbers")
« Reply #5 on: August 17, 2013, 07:44:55 AM »

Ha, no flies are not cute. You might enjoy this short timelapse I made last year of a host of different fly species eating the spores of a fungus with a particularly rude name:



But I like your images much more.

Bob
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