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Diptera.info :: Identification queries :: Diptera (adults)
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Anthomyiidae?? (England): probably Botanophila fugax
Martin Cooper
#1 Print Post
Posted on 19-09-2014 13:04
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Location: Ipswich, Suffolk
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Not at all sure about this one. Maybe Anthomyiidae?
Photographed on 7 Aug 2014 in my back garden, Ipswich, Suffolk, UK.
Any suggestions?
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Edited by Martin Cooper on 21-09-2014 13:04
 
Martin Cooper
#2 Print Post
Posted on 19-09-2014 13:04
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Martin Cooper
#3 Print Post
Posted on 19-09-2014 13:04
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Martin Cooper
#4 Print Post
Posted on 19-09-2014 13:05
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.
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Martin Cooper
#5 Print Post
Posted on 19-09-2014 13:05
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.
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Martin Cooper
#6 Print Post
Posted on 19-09-2014 13:06
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javanerkelens
#7 Print Post
Posted on 19-09-2014 22:42
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Difficult....I have doubt between Lasiomma or Delia spec.
Some important characteristics are not visible or blur on these (nice) photos.
Is it possible to make a crop of the notopleuron area (to see if there are little hairs present, it seems so, but also could be from some longer hairs below.......and a crop from the eyes to see if there are little hairs on them)

Johanna
Edited by javanerkelens on 19-09-2014 22:45
 
Martin Cooper
#8 Print Post
Posted on 20-09-2014 01:04
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Thanks Johanna. Here is the best crop I could do showing the notopleuron area...
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Martin Cooper
#9 Print Post
Posted on 20-09-2014 01:05
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... and the eyes
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Michael Ackland
#10 Print Post
Posted on 20-09-2014 10:43
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Location: Dorset UK
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Joanna is right. In spite of the good photos most of the distinguishing characters are difficult to photograph from a live specimen. A shot of the end of the abdomen from below might make it identifiable (sternite 5), but you need to catch and pin the specimen and shoot it under the microscope, or at least with a powerful macro lens.

I would quess at a Delia species and in the Delia cardui species group. The long ventral setae on the hind femur, and the rather long setae on the 5th tergite look familiar, and I may look through my collection to see if I can find something similar.
 
Martin Cooper
#11 Print Post
Posted on 20-09-2014 11:42
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Thanks Michael. Here are my two best shots of the end of the abdomen from below.
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Martin Cooper
#12 Print Post
Posted on 20-09-2014 11:42
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and this one...
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javanerkelens
#13 Print Post
Posted on 20-09-2014 23:21
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Michael is my highly appreciated teacher in Anthomyiidae, so how could I disagree with him………but as pigheaded student I now think, this could be Botanophila fugax and I will explane why:

--Below the upper postocular row, there seems to be another row of setulae. (not common in Delia)
--There seems to be one stronger pair of acrostichals, followed by rows of fine hairs
--On the midtibia it looks like there are two strong pd and 2 posterior one’s (only one visible on the photos)
--Many fine hairs present in the area above the prealar
--The lower posterior katepisternal seems as strong as the upper one.
--The 4-5 strong av setea on the hindfemur and 3 av setae on the hindtibia.
--Also the shape of the 5th-sternite could fit…..

But……can I be sure….absolute not!
Therefore Michael is fully right……you have to collect to be sure.

Johanna Smile
Edited by javanerkelens on 20-09-2014 23:22
 
Michael Ackland
#14 Print Post
Posted on 21-09-2014 11:38
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Thank you for your kind remarks Joanna. I think you are right, and it is probably Botanophila fugax. A male of this species is easy to ID under the microscope. The much stronger presutural acrostichals setae, followed by very short and fine hairs for the remaining acr setae; and the slightly shining abdominal tergites with a strong median vitta are good characters.

I was dubious about this photo as the abdomen viewed laterally appears only slightly compressed, and the parafacials are rather shining silvery. I compared the photo with many males of Botanophila fugax in my collection and the abdomens are mostly rather flattened in basal half. This is no doubt explained by shrinkage in the drying.

The inner margins of the processes of the fifth sternite are very characteristic in fugax, where they are shining. One can't see this in the photo unless it is shot from a certain angle. I notice that the 5th tergite of the abdomen has long hindmarginal setae directed posteriorly. This shows in the photo. All the characters mentioned by Joanna are also correct.

As said many times before, identifying Anthomyiidae from a live photo is fraught with difficulty, and the final criterion for males is always to dissect the genitalia which are nearly always diagonostic. So if you want an accurate ID please collect a specimen as Joanna keeps saying! I am delighted that my highly regarded student Joanna has pointed her finger at the correct ID of this species
 
Martin Cooper
#15 Print Post
Posted on 21-09-2014 13:03
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Location: Ipswich, Suffolk
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Joined: 01.05.12

Thanks you both very much indeed for spending your time on my photos.
 
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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
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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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