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Archive 2017 · A Tachinid, Gymnosoma species

  
 
e6filmuser
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p.1 #1 · p.1 #1 · A Tachinid, Gymnosoma species


I thought this was a very small Norwickia ferox as I was photographing it. Yes, it was a tachinid but another genus. It was the same type of abdominal pattern as Gymnosoma rotundatum but the dark markings were larger and the species does not occur around here. The closest I could find in an image search was G. nudifrons or C. costatum.

This genus lacks the long, stout, erect abdominal hairs which are typical of tachinids. There is also yellowish colouring on the bases of their wings. Males have much smaller black patches on the abdomen.

It is said to be characteristic that they are very active. This one certainly was but only on one umbellifer (Wild Carrot) inflorescence, not much more than 2 inches/50mm across. It, to my enormous surprise, was there for about 20 minutes, constantly walking fast and turning frequently.

I had a problem with settings in Aperture Priority mode and shot the whole session in manual mode. There was occasional movement of the plant by a gentle breeze.

Olympus EM-1, Oshiro 2:1 60mm macro, 1/250 at f8, ISO 400, bright sunlight, hand-held.

Harold




Harold Gough 2017





Harold Gough 2017





Harold Gough 2017





Harold Gough 2017





Harold Gough 2017





Harold Gough 2017





Harold Gough 2017





Harold Gough 2017



Edited on Jul 10, 2017 at 03:48 PM · View previous versions



Jul 09, 2017 at 12:31 AM
LordV
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p.1 #2 · p.1 #2 · A Tachinid, Gymnosoma species


Wonderful find Harold
Brian V.



Jul 09, 2017 at 12:39 AM
surfnron
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p.1 #3 · p.1 #3 · A Tachinid, Gymnosoma species


These are all nicely done Harold ~ Ron


Jul 09, 2017 at 07:00 AM
Fizzog
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p.1 #4 · p.1 #4 · A Tachinid, Gymnosoma species


Excellent, and always good to find something new.
Brian



Jul 09, 2017 at 08:12 AM
morris
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p.1 #5 · p.1 #5 · A Tachinid, Gymnosoma species


The fifth is my pick for compostion, focus where it's important and not clipping the wings.

Morris



Jul 09, 2017 at 08:23 AM
e6filmuser
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p.1 #6 · p.1 #6 · A Tachinid, Gymnosoma species


LordV wrote:
Wonderful find Harold
Brian V.


surfnron wrote:
These are all nicely done Harold ~ Ron


Fizzog wrote:
Excellent, and always good to find something new.
Brian


morris wrote:
The fifth is my pick for compostion, focus where it's important and not clipping the wings.

Morris


Thanks, everyone.

Harold



Jul 10, 2017 at 01:55 AM
e6filmuser
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p.1 #7 · p.1 #7 · A Tachinid, Gymnosoma species


I am beginning to think that this is G. nitens and I am uncertain as to its gender.

Harold



Jul 10, 2017 at 03:24 PM
MarkB1
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p.1 #8 · p.1 #8 · A Tachinid, Gymnosoma species


Busy little buggers, aren't they.


Jul 20, 2017 at 02:22 AM
e6filmuser
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p.1 #9 · p.1 #9 · A Tachinid, Gymnosoma species


MarkB1 wrote:
Busy little buggers, aren't they.


Yes. Most insects will sample an inflorescence and move on to the next one but these seemed determined to drink every drop.

Harold



Jul 20, 2017 at 02:43 AM
birdied
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p.1 #10 · p.1 #10 · A Tachinid, Gymnosoma species


Nicely done on this busy little fly.

Birdie



Jul 20, 2017 at 10:52 AM
e6filmuser
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p.1 #11 · p.1 #11 · A Tachinid, Gymnosoma species


birdied wrote:
Nicely done on this busy little fly.

Birdie


Thanks, Birdie.

Harold



Jul 20, 2017 at 12:52 PM





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