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*Digging in historic grounds*


*Digging in historic grounds*
Photo Information
Copyright: Txxx Bxxx (thor68) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 795 W: 138 N: 1319] (5674)
Genre: Animals
Medium: Color
Date Taken: 2007-06-15
Categories: Insects
Camera: Canon EOS 400D, Tamron 18-250mm f/3.5-6.3 DiII, SanDisk Ultra II 2GB, Hoya 62 mm UV
Exposure: f/9.0, 1/500 seconds
Photo Version: Original Version
Date Submitted: 2007-10-25 0:47
Viewed: 3868
Points: 6
[Note Guidelines] Photographer's Note
This i could capture on top of the Acropolis (Mountain)
right next to the famous Parthenon.

I was resting from taking photos from up there when i
saw this small insect making a hole in the ground and
disappearing into it.
I took a few shots although i only had my tamron
superzoom with me, so, the quality could/would have
been better with my macro-lens, but i decided to show
this anyway because i found it quite interesting.

It looks like an ichneumon wasp, but as usual - no idea on the ID.

**********************

Ichneumonidae is a family within the insect Order
Hymenoptera. Insects in this family are commonly called
ichneumon flies, ichneumon wasps, or simply
ichneumons. Ichneumon wasps are important parasitoids
of other insects. Common hosts are larvae and pupae of
Coleoptera, Hymenoptera, and Lepidoptera. There are
approximately 3,000 species in North America, and over
60,000 worldwide - more than any other Hymenoptera
family. They differ from the wasps that sting
(Aculeata: Vespoidea and Apoidea) in that the antennae
have more segments; typically 16 or more, whereas the
others have 13 or fewer. Female ichneumons frequently
exhibit an ovipositor longer than their body.
Ovipositors and stingers are homologous structures;
some Ichneumons inject venom along with the egg, but
they do not use the ovipositor as a stinger, per se,
except in the subfamily Ophioninae. Stingers in
aculeate Hymenoptera are used exclusively for defense;
they cannot be used as egg-laying equipment. Males do
not possess stingers/ovipositors in either lineage.

Some species of ichneumon wasps lay their eggs in the
ground, but most inject them directly into a host's
body, typically into a larva or pupa.

In some of the largest species, in the genera
Megarhyssa and Rhyssa, both sexes will wander over the
surface of logs, and tree trunks, tapping with their
antennae. Each sex does so for a different reason;
females are 'listening' for wood boring larvae of the
horntail wasps (hymenopteran family Siricidae) upon
which to lay eggs, males are listening for emerging
females with which to mate. Upon sensing the vibrations
emitted by such a wood-boring insect larva, the female
wasp will drill her ovipositor into the substrate
until it reaches the cavity wherein lies the larva. She
then injects an egg through the hollow tube into the
poor unfortunate's home. There the egg will hatch and
the resulting larva will devour its host before
emergence. How a female is able to drill with her
ovipositor into solid wood is still somewhat of a
mystery to science, though it has been found that there
is metal (ionized manganese or zinc) in the extreme
tip of some species' ovipositors.

[from: http://en.wikipedia.org/wiki/Ichneumonidae]

**********************

Kameramodell Canon EOS 400D DIGITAL
Aufnahmedatum/-zeit 15.06.2007 15:47:23
Aufnahmemodus P (Programmautomatik)
Tv (Verschlusszeit) 1/500
Av (Blendenzahl) 9.0
Messmodus Mehrfeldmessung
Belichtungskorrektur 0
Filmempfindlichkeit (ISO) 200
Objektiv 18.0 - 250.0 mm
Brennweite 250.0 mm
Bildgröße 3888x2592
Bildqualität Fein
Blitz Aus
Weißabgleich Man. Weißabgl
AF-Betriebsart One-Shot AF
Bildstil Anw. Def. 2(Standard)
Schärfe 2
Kontrast 1
Farbsättigung 1
Farbton 1
Farbraum sRGB
Rauschminderung Automatisch
Dateigröße 3463 KB
Transportart Reihenbild-Aufnahme

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To batu: :-)thor68 1 10-25 07:02
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Critiques [Translate]

  • Great 
  • batu Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 1078 W: 292 N: 4497] (16383)
  • [2007-10-25 1:31]
  • [+]

Hallo Thorsten,
gut erwischt beim sicherlich verbotenen Graben an dieser Stelle. Die offenbar optimalen Lichtbedingungen haben günstige Parametereinstellugen erlaubt, die du auch gut genutzt hast. Durch den zusätzlich exakten Fokus wird die Wespe in perfekter Schärfe präsentiert. Ein wenig weniger Umgebung würde das Bild noch attraktiver machen. Ich denke, dass du nicht sehr viel näher an das Tier herangekommen wärst ohne es aufzuscheuchen - im Juni in Griechenland und dann bei dem strahlenden Sonnenschein sind diese Tierchen äußerst flink!
Best Grüße, Peter

  • Great 
  • pvs Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 1127 W: 254 N: 3161] (14464)
  • [2007-10-25 8:15]

Hi Thorsten,

An appropiate title for this diggerwasp,you managed to have great colors and details in this composition even though you had no macro available,well done and tfs

paul

Hello Thorsten,
You've taken very nice moment of this scene digging, with excellent details and very nice composition.
Also very nice pose of this little fellow you've captured!
Well done and TFS,
Best wishes, Kevin

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