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Diptera.info :: Identification queries :: Diptera (adults)
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Are they Dolichopodidae?
Dima DD
#1 Print Post
Posted on 28-11-2005 16:23
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Location: St.Petersburg, Russia
Posts: 75
Joined: 28.11.05

Hello to all,
I'm new on this forum! Smile I'm a geologist, but very interested in entomology and macro-photography, too. I decided to ask Diptera specialists about the flies which I cannot identify by my own. Almost all my photos are from Toksovo (a village approx. 20 km to the N from St.Petersburg, Russia). I shot these two flies at June 26, 2005; they are about 4-5 mm in length. I suggested they belong to the same specie, possibly Dolichopodidae: 1st - male (picture is rotated CCW 90?), 2nd - female, but I'm not sure (strange color and stripes on the abdomen?). Am I wrong? Is it possible to recognize genus on these photos?
Thanks, Dima Smile
www.diptera.info/forim/5-1033-1.jpg
 
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Dima DD
#2 Print Post
Posted on 28-11-2005 16:24
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Location: St.Petersburg, Russia
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And female picture...
www.diptera.info/forim/5-1033-2.jpg
 
http://www.dimadd.ru
Paul Beuk
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Posted on 28-11-2005 16:43
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Yes, they are male (top) and female (bottom) of Neurigona quadrifasciata. They are always very high on the legs, males have big genitalia. The male of this species has those modified for legs (last tarsal segments). You find them nearly always on tree trunks but it looks as if you did not. Smile
Paul

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Dima DD
#4 Print Post
Posted on 28-11-2005 17:12
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Location: St.Petersburg, Russia
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Thank you very much, Paul! Smile I'm impressed: answer was almost immediate! Shock
Dima
 
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Nikita Vikhrev
#5 Print Post
Posted on 28-11-2005 17:44
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Location: Moscow, Russia
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Hi Dima.
It is a pleasure to see finaly your images here on Diptera.info
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
Dima DD
#6 Print Post
Posted on 29-11-2005 00:54
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Thank you, Nikita! Smile
 
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If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

23.06.25 11:18
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

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I have Russian Coenosia. nikita6510@ya.ru

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