Thread subject: Diptera.info :: Jurassic Atylotus

Posted by clovis on 02-09-2014 16:29
#1
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

Posted by Zeegers on 02-09-2014 16:33
#2
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

Posted by clovis on 18-09-2014 17:25
#3
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

Posted by Zeegers on 19-09-2014 08:29
#4
This is rusticus indeed.

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


Theo

Posted by clovis on 20-09-2014 17:43
#5
Really???
Well, good thing you mentioned it then. :)
Thanks!