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Diptera.info :: General Diptera forums :: Overviews
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Tachinid, wing venation
Tony T
#1 Print Post
Posted on 16-09-2007 17:32
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Location: New Brunswick, Canada
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14 September 2007, New Brunswick, Canada. Both flies collected on trail in dense woods.

There was some discussion recently about the usefulness of wing venation for diagnostic puposes.

2 'types' of Tachinid wings. Top: Phasia sp.; bottom Tachina sp.
Tony T attached the following image:


[52.9Kb]
Edited by Tony T on 21-09-2007 00:48
 
jorgemotalmeida
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Posted on 16-09-2007 17:36
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that second venation in Tachina.. is something! I never saw such unusual deviation in M vein.
 
http://www.flickr.com/photos/superegnum
crex
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Posted on 16-09-2007 17:54
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I compared a couple of Phasia photos of mine, P. obesa and P. pusilla. They differ in some ways. The petiole is longer in P. pusilla.
 
Tony T
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Posted on 20-09-2007 20:40
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Wing of a North American Microphthalma sp. (Tribe: Dexiini) showing long appendix of vein M (A) at its bend; similar to that of the European species.
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Tony T attached the following image:
Tony T attached the following image:


[28.09Kb]
Edited by Tony T on 21-09-2007 00:49
 
Tony T
#5 Print Post
Posted on 02-10-2007 02:07
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Location: New Brunswick, Canada
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Another configuration.
Note the right angle bend in vein M followed by a long smooth concavity before straightening to join wing margin just behid apex of R4+5.
Also note the sinuous curve of cross vein dm-cu (discal medial-cubital)
Tony T attached the following image:


[43.55Kb]
 
Tony T
#6 Print Post
Posted on 07-05-2008 20:52
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Location: New Brunswick, Canada
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Another configuration. Blondeliini. CLICK HERE FOR ENTIRE FLY
Note the gentle bend of vein M, the spikey costa, and the setae on R4+5.
Tony T attached the following image:


[114.71Kb]
 
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