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Diptera.info :: Identification queries :: Diptera (adults)
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Diptera of China -25
loepa
#1 Print Post
Posted on 25-06-2007 15:23
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Location: SW-China
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 SW-China
about 7-8mm
June 23,2007
loepa attached the following image:


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Nikita Vikhrev
#2 Print Post
Posted on 25-06-2007 15:30
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 Lauxaniidae, Homoneura sp.
Nikita
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Paul Beuk
#3 Print Post
Posted on 25-06-2007 15:44
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 Hmm, could well be another genus. Have a larger image?
Paul

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Nikita Vikhrev
#4 Print Post
Posted on 25-06-2007 16:11
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 Paul, I wanted to sent reply as cf.Homoneura or 98%Homoneura, but afterwards I dicided that Homoneura is better for several reasons:
1. Really 98% in Oriental region
2. I collected a lot of Homoneura sp. looking exactly as this one
3. The answer Homoneura in Oriental region is almost equal to Lauxaniidae sp.
Weiwei,
to be sure, check fore femora, in apical 1/3 you have to find row of short black posteroventral spines clearly visible on yellow femora. If there are spines - Homoneura.
Nikita
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loepa
#5 Print Post
Posted on 25-06-2007 17:00
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 Nikita,
I will check the specimen tomorrow.

Paul,
The larger image:
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Nikita Vikhrev
#6 Print Post
Posted on 25-06-2007 18:55
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 This fly from Thailand is Homoneura Wink
Nikita Vikhrev attached the following image:


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Paul Beuk
#7 Print Post
Posted on 25-06-2007 18:57
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 What about the costal spinules continuing till the apex of vein M1+2? That is the character we use to separate Homoneura from the other genera in Western Europe... Which they appear to do in the second picture, by the way, so I think Homoneura should be okay. And the posteroventral setae are visible in the second picture, too
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Nikita Vikhrev
#8 Print Post
Posted on 25-06-2007 19:09
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 The fly from Thailand was collected and verified both for f1 pv spines and costal spinules continuing till the apex of vein M1+2, as Homoneura.
China fly looks rather similar enought to be from same genus, doesn't it?
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Paul Beuk
#9 Print Post
Posted on 25-06-2007 19:16
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 See my reply above. Wink
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loepa
#10 Print Post
Posted on 26-06-2007 10:11
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 Nikita,
I have checked the specimen, i think what you said is right. Thank you very much!
Weiwei
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loepa
#11 Print Post
Posted on 28-06-2007 02:03
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 Cool
Loepa

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Nikita Vikhrev
#12 Print Post
Posted on 28-06-2007 11:29
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Weiwei,
to be sure, check fore femora, in apical 1/3 you have to find row of short black posteroventral spines clearly visible on yellow femora. If there are spines - Homoneura.

I'm sorry, I wrote porteroventral instead of anteroventral. The setae on your image are not what we need. Anteroventral side, apical 1/3, very short and dence row.
Nikita
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loepa
#13 Print Post
Posted on 28-06-2007 16:15
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 sorry
loepa attached the following image:


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Kahis
#14 Print Post
Posted on 28-06-2007 16:23
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Nikita Vikhrev wrote:
Weiwei,
to be sure, check fore femora, in apical 1/3 you have to find row of short black posteroventral spines clearly visible on yellow femora. If there are spines - Homoneura.

I'm sorry, I wrote porteroventral instead of anteroventral. The setae on your image are not what we need. Anteroventral side, apical 1/3, very short and dence row.


This isn't a sure-fire way to identify Homoneura (at least as far as I know) as a genus. Some Meiosimyza (ie. rorida in Europe) have such spinules.

I still agree with Nikita, it's most probably a Homoneura.
Kahis
 
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loepa
#15 Print Post
Posted on 29-06-2007 10:33
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 thanks
Loepa

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loepa
#16 Print Post
Posted on 01-07-2007 11:53
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 Cool
Loepa

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