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Diptera.info :: Identification queries :: Diptera (adults)
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Larger Bracycera - but which family?
ChrisR
#1 Print Post
Posted on 07-05-2009 21:21
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Another French Guianan fly but which family does it belong to? Body length 14mm.

It looks similar to the Pangonius sp. I found earlier but on this specimen the proboscis is hinged under the body. Acroceridae?
ChrisR attached the following image:


[58.32Kb]
Edited by ChrisR on 07-05-2009 21:28
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
ChrisR
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Posted on 07-05-2009 21:22
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another angle...
ChrisR attached the following image:


[55.65Kb]
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
ChrisR
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Posted on 07-05-2009 21:22
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another angle...
ChrisR attached the following image:


[52.75Kb]
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
Paul Beuk
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Posted on 07-05-2009 22:04
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Nemestrinidae
Paul

- - - -

Paul Beuk on https://diptera.info
 
diptera.info
ChrisR
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Posted on 07-05-2009 22:15
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Ahhhhhhhhhhh - that's a name that rings a bell - thanks Paul, much appreciated. I had one from that family a while ago and completely forgot which family it turned out to be Smile
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
Zeegers
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Posted on 08-05-2009 10:20
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Definitely not Tabanidae, and Nemestrinidae was my guess as well. So that makes two of us


Theo
 
ChrisR
#7 Print Post
Posted on 08-05-2009 11:51
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They do look rather nice ... I am thinking of also working on neotropical Nemestrinidae, Acroceridae and Panthopthalmidae. They seem to be sufficiently small families and someone might have done some work on them as nemestrinids and acrocerids are parasitoids and panthopthalmids are commercially sensitive wood-borers of live trees. Smile
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
Eric Fisher
#8 Print Post
Posted on 08-05-2009 16:09
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Actually, this beautiful fly is a species of Lasia (Acroceridae); the genus is a parasitoid of Tarantula spiders.

Chris -- you are getting some really nice flies in your Malaise trap samples from French Guiana!

Eric
 
Zeegers
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Posted on 08-05-2009 16:14
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Right.
Finally a real expert.

Thanks


Theo
 
ChrisR
#10 Print Post
Posted on 08-05-2009 16:32
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Thanks Eric - much appreciated Grin

Do you know if there are any keys to neotropical acrocerids? They look like a nice group to have a go at ... mild relief from all the anonymous tachinids! Grin Wink

Out of interest, did you have any idea about the other acrocerid I posted earlier? Photos are also available on my blog.
Edited by ChrisR on 08-05-2009 16:39
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
http://tachinidae.org.uk
conopid
#11 Print Post
Posted on 08-05-2009 16:47
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What a superb fly!Smile
Nigel Jones, Shrewsbury, United Kingdom
 
Eric Fisher
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Posted on 08-05-2009 17:15
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Chris,

The other one is possibly a sp. of Ocnaea. That is, it looks like Nearctic members of this genus (I am hesitant, however, to extend my very limited knowledge of this group to the Neotropical fauna...). There is a key that is being printed "as we speak" -- volume 1 of the "Manual of Central American Diptera" is in press and "at the bindery." This will cover the families of Nematocera to the Empidoids, and will include the Acroceridae of course. Same coverage (and same publisher) as the super "Manual of Nearctic Diptera" which appeared in the early 1980's. Volume 2 should appear within the year (and will have a massive and fantastic chapter on Tachinidae by Monty Wood). Fans of Neotropical Diptera are eagerly awaiting these volumes!!

Eric
 
ChrisR
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Posted on 08-05-2009 19:35
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Yes, Monty's chapter is top of my "must get" list and I have been in touch with him over the last 6 months to see how he is getting on Smile Not sure I can afford to buy a whole volume but I will hunt one down at a library Smile
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London.
 
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Eric Fisher
#14 Print Post
Posted on 08-05-2009 21:25
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The cost of volume 1 is $95 U.S.; don't know the projected cost of volume 2. I'm sure you will be able to get reprints or copies of individual chapters from the authors (or, at a good library!).
 
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