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Diptera.info :: Identification queries :: Diptera (adults)
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Jurassic Atylotus
clovis
#1 Print Post
Posted on 02-09-2014 16:29
Member

Location: North France, lille
Posts: 910
Joined: 08.06.10

 Hi,

Here is an Atylotus from Jura (France) caught this summer (but antenna lost)
Eyes are naked (to my eyes) and i don't see any hairs on vertex, so i would propose A rusticus for this female.

www.galerie-insecte.org/galerie/image/dos127/big/la_chaux_du_domb.jpg
Clovis : France : La Chaux-du-Dombief : 39150 : 18/7/2014
Altitude : 818 m - Taille : 12mm environ
Réf. : 127728
www.galerie-insecte.org/galerie/image/dos127/big/la_chaux_du_dombd.jpg
Clovis : France : La Chaux-du-Dombief : 39150 : 18/7/2014
Altitude : 818 m - Taille : 12mm environ
Réf. : 127729
 
Zeegers
#2 Print Post
Posted on 02-09-2014 16:33
Member

Location: Soest, NL
Posts: 18525
Joined: 21.07.04

 That is what one would expect.
However, the abdominal pattern is more like latistriatus and the eyes seem to be hairy....
So either rusticus or latistriatus to me.


Theo
 
clovis
#3 Print Post
Posted on 18-09-2014 17:25
Member

Location: North France, lille
Posts: 910
Joined: 08.06.10

 You're right, i didn't notice that on those picture hairs seems really hairy! But under binocular i'm absolutely not able to see any hair. The specimen suffered a bit from killing and traveling, so maybe hairs are sticks on eyes and i can't see them?
Anyway, between those 2 species, callus is different, so can we be sure of the specie with this picture?
Looking at the callus, i'd go on rusticus.
www.galerie-insecte.org/galerie/image/dos128/big/img_5773.jpg.jpg
Clovis : France : La Chaux-du-Dombief : 39150 : 18/7/2014
Altitude : 949 m - Taille : 12 mm environ
Réf. : 128719
Edited by clovis on 18-09-2014 17:27
 
Zeegers
#4 Print Post
Posted on 19-09-2014 08:29
Member

Location: Soest, NL
Posts: 18525
Joined: 21.07.04

 This is rusticus indeed.

Note that all features mentioned in literature, such as shape of calli, are unreliable.


Theo
 
clovis
#5 Print Post
Posted on 20-09-2014 17:43
Member

Location: North France, lille
Posts: 910
Joined: 08.06.10

 Really???
Well, good thing you mentioned it then. Smile
Thanks!
 
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