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Diptera.info :: Family forums :: Asilidae Forum
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Possible Eutolmus from UK for ID
colinleb
#1 Print Post
Posted on 17-08-2021 10:57
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Having trouble with this specimen. Femora very dark but some surfaces, e.g. posterior face of front femur, look a bit orangey from some angles rather than black. No definite contrasting orange/black pattern. Mix of black/white hairs on frons and arrangement of hairs/bristles on sternites appear to rule out Machimus atricapilla. Compared with specimens of M. cingulatus and measurements in Stubbs and Drake seems rather too big for either of those species anyway. From a close look at the ovipositor, best fit might be Eutolmus rufibarbis? However tergites are dark at margins rather than pale. Not from a known location either. Rough grassland between old woodland and lake on Bedfordshire Greensand, UK. Thoughts? Swept 11 August 2021.
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colinleb
#2 Print Post
Posted on 17-08-2021 10:57
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Dorsal view
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colinleb
#3 Print Post
Posted on 17-08-2021 10:58
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Head
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colinleb
#4 Print Post
Posted on 17-08-2021 10:58
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ovipositor
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Danny Wolff
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Posted on 17-08-2021 17:45
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I see no reason why this should not be atricapillus. Everything is fitting. Body length of living specimens (or specimens that have just been killed) is often bigger than given in literature (in some cases body length is decreasing more than 10-15 % during the drying process).
Recently published:
Wolff, Gebel & Geller-Grimm (2018): Die Raubfliegen Deutschlands (The robberflies of Germany)
https://www.human...LLER-GRIMM
 
www.asilidae.de
colinleb
#6 Print Post
Posted on 17-08-2021 22:17
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Thank you Danny.
 
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Date and time
06 December 2021 10:49
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23.09.21 15:29
All sorted.

16.09.21 22:24
Sorry put 5 new threads in Asilidae forum instead in Syrphidae forum, can pleas an admin move it to Syrph? THANKS, Norbert

09.09.21 07:48
https://www.jeugdb
ondsuitgeverij.nl/
product/de-vliegen
families-met-drie-
voetkussentjes/

09.09.21 07:47
wing ventation is totally different

03.09.21 12:51
Hi, what's the major difference between dolichopodidae and rhagionidae? Can someone help me? Thanks!

28.06.21 15:24
thx TO eklans

03.06.21 11:11
@Tony Irwin Thank you Tony! I've emailed you there Pfft

02.06.21 22:26
Rob - can you PM me with an e-mail address, and I'll send it over.

02.06.21 13:16
Hello chaps! Does anyone have a copy of: Revision of the willow catkin flies, genus Egle Robineau-Desvoidy (Diptera: Anthomyiidae), in Europe and neighbouring areas ?? I'd be ever so grateful! Rob

31.05.21 14:31
The part that got deleted is "longer, dark median stripe on thorax"

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