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Diptera.info :: Family forums :: Asilidae Forum
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Asilidae (southwestern France) identified (Choerades & Asilus) (thread 1 of 2)
Steve O
#1 Print Post
Posted on 28-08-2014 11:17
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This 'very large' (for me) species, ~25mm TL, was snapped in a coastal sandy environment by a small 'lake' (more swamp like) surrounded by a pine plantation; the precise locals being 'Reserve naturelle de l'Etang Cosseau, Aquitaine, France' on 18 (male) and 24 (female) August '14. I would have thought it relatively easy to identify, given its size, but I have since learned that there is no such thing as an easily identified asilid.

I assume all three are conspecific (male and female), but if not then they are certainly broadly sympatric.

Any assistance with an identification would be appreciated (thread '2 of 2' presents a second species).

(Ed. I have since learned all three are male, and that two species are involved, in separate subfamilies)
Steve O attached the following image:


[173.91Kb]
Edited by Steve O on 28-08-2014 20:24
 
Quaedfliegh
#2 Print Post
Posted on 28-08-2014 12:08
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The Lower two belong to e subfamily Asilinae and both are males. Asilus crabroniformis. The one above belongs to the Lahpriinae and is also a male. It puzzles me a bit
Edited by Quaedfliegh on 28-08-2014 12:10
Greetings,

Reinoud

Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/

https://www.nev.nl/diptera/
 
Mariastraat 12
Steve O
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Posted on 28-08-2014 14:53
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My word, thank you so much for your prompt and authoritative reply. Obviously I need to take a course in 'insect 101' as I managed to confuse both sexes and species. I did manage several other pics of the upper individual - I'll attach those separately, in addition to the second of the two threads.
Kindest
Me
Edited by Steve O on 28-08-2014 14:53
 
Steve O
#4 Print Post
Posted on 28-08-2014 15:12
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Here are two additional slightly different perspective variants of the upper of the three earlier specimens, should they be of any help in pinning the identity of the species down. I am afraid that I have a dozen lateral shots, but none from any other angle (the fly took off as I was already 'rather close' to it). Sorry about the resolution - the 200kb file-size limitation precludes me posting anything larger. Thanks.
Steve O attached the following image:


[163.05Kb]
 
jaho
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Posted on 28-08-2014 20:06
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Choerades ignea, male.
Jan
 
Steve O
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Posted on 28-08-2014 20:13
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Thank you so much Jan
 
Quaedfliegh
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Posted on 28-08-2014 21:50
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It has to be or closely related to it.
Greetings,

Reinoud

Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/

https://www.nev.nl/diptera/
 
Mariastraat 12
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