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Diptera.info :: Identification queries :: Diptera (adults)
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Neossos broersei (de Meijere, 1946) ?
Pierre-Yves
#1 Print Post
Posted on 28-10-2020 00:20
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Posts: 171
Joined: 01.09.05

Hello Everybody,

I come to request your help. I need to identify a tiny Heleomozydea fly (body lenght less than 2 mm) caught this summer in a trap for necrophagous insects in my garden in south of French Brittany.

1+3 ac
i87.servimg.com/u/f87/19/35/03/68/heleom16.jpg
i87.servimg.com/u/f87/19/35/03/68/heleom15.jpg

Costal vein with spines
i87.servimg.com/u/f87/19/35/03/68/heleom14.jpg

Anal vein doesn't reach wing margin
i87.servimg.com/u/f87/19/35/03/68/heleom13.jpg

May be it could be the unknown male of Neossos broersei (de Meijere, 1946) - Chiropteromyzidae

Thank you in advance for your help.

P-Y Smile
Edited by Pierre-Yves on 28-10-2020 00:35
 
Tony Irwin
#2 Print Post
Posted on 28-10-2020 10:06
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Location: Norwich, England
Posts: 7347
Joined: 19.11.04

The group was revised recently - see Rohaček, J. 2018 European Chiropteromyzidae (Diptera): Taxonomic revision, nomenclature, classification and preimaginal stages. Annales Zoologici (Warszawa), 2018, 68(2): 281-316

Tony
----------
Tony Irwin
 
Ectemnius
#3 Print Post
Posted on 28-10-2020 11:53
Member

Location: The Netherlands
Posts: 865
Joined: 22.11.11

Hi Pierre-Yves,

Yes this is Neossos broersei, very nice find! The easiest way to find this species is by getting the debris off the bottom of a Barn owl (Tyto alba) nest box. Last spring I was able to breed at least a hundred specimens in a month.

Currently I'm finishing a paper with three necrophagous species new for the fauna of France. If you would be interested in that, send me a pm.

Kind regards,
Ectemnius
 
Pierre-Yves
#4 Print Post
Posted on 28-10-2020 13:48
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Location:
Posts: 171
Joined: 01.09.05

Thank you very much to each of you for your help.

I found Rohaček, J. 2018 reference on ResearchGate web site last nigth after sending this post. I noticed that my pictures are not the best to confirm identification.

I am very interesting by your paper Ectemnius ! I am writing too about flies of Acartophthalmidae family found in same area in 2019 and 2020 and known to be sapro-necrophagous species, specially A. bicolor. I send to you my E-mail adress Wink

Thank you again,

P-Y Smile
 
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