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Ulidiidae - Euxesta costalis
Ocellar view	#1 Posted on 06-06-2017 08:36
Member Location: Posts: 145 Joined: 06.04.17	Found on 31. Mai 2017 near Kerzers, Switzerland, 437 m, on a woodden armrail, waving its wings and abdomen. Size: 5 mm Could it be an Euxesta sp.? Maybe E. notata? Kind regards, Ov Edited by Ocellar view on 06-06-2017 12:05


Ocellar view	#2 Posted on 06-06-2017 08:36
Member Location: Posts: 145 Joined: 06.04.17	second image


Ocellar view	#3 Posted on 06-06-2017 08:36
Member Location: Posts: 145 Joined: 06.04.17	third image


Paul Beuk	#4 Posted on 06-06-2017 10:19
Super Administrator Location: Posts: 19208 Joined: 11.05.04	Euxesta costalis, I think Paul - - - - Paul Beuk on https://diptera.info


Ocellar view	#5 Posted on 06-06-2017 12:05
Member Location: Posts: 145 Joined: 06.04.17	Thank you, Paul! Best, Ov


John Carr	#6 Posted on 06-06-2017 13:04
Member Location: Posts: 9773 Joined: 22.10.10	I think Euxsta notata. According to the key by Curran (1935) costalis has a larger wing spot.


Paul Beuk	#7 Posted on 06-06-2017 15:38
Super Administrator Location: Posts: 19208 Joined: 11.05.04	Could well be, see https://www.resea..._in_Europe Paul - - - - Paul Beuk on https://diptera.info


Ocellar view	#8 Posted on 07-06-2017 08:16
Member Location: Posts: 145 Joined: 06.04.17	Thank you John and Paul! It is great to have the opinion of experts. So it is either an invader or the similar native. Since the wing spot rather speaks for E. notata, I assume this to be the case. Thanks again and kind regards, Ov Edited by Ocellar view on 07-06-2017 08:17


John Carr	#9 Posted on 07-06-2017 11:26
Member Location: Posts: 9773 Joined: 22.10.10	All Euxesta are native to America. E. costalis was described from the West Indies, notata from the United States.


Nosferatumyia	#10 Posted on 15-11-2017 21:58
Member Location: Posts: 3396 Joined: 28.12.07	Yes it is notata. Val