Thread subject: Diptera.info :: Scatella silacea -> subguttata
Posted by hedy2411 on 22-09-2014 12:10
#1
Can this Scatella fly be named..?
Found in 20-9-2014 Zeist, Holland
Edited by Paul Beuk on 25-05-2021 10:47
Posted by hedy2411 on 22-09-2014 12:10
#2
...and this one..
Posted by Tony Irwin on 22-09-2014 20:02
#3
This one is
Scatella silacea
Posted by hedy2411 on 22-09-2014 21:58
#4
Yeah, I thougt it was different.
Thank you for your reaction Tony!
Regards,
Hedy
Posted by nielsyese on 24-05-2021 08:23
#5
Hello Tony and Hedy, I noticed this thread white looking for pictures of Scatella. This one keys certainly to Scatella silacea, but it would be new for the Netherlands. Can you be 100% sure Tony, or do we need a specimen for definite ID?
Posted by Tony Irwin on 24-05-2021 14:31
#6
Oops! Thanks for drawing my attention to this - big mistake on my part. The apparent absence of post-sutural acrostichals may have thrown me, but it's a poor excuse - the colour of this specimen clearly makes it
subguttata.
Scatella silacea has a dark scutellum and both the scutellum and thoracic dorsum are quite shiny, not dull as in this specimen. I am sure that under a microscope the scars of the acrostichals would have been evident.
If you want to find
silacea, try coastal seepages where water is constantly trickling down a clay face. Or a sewage treatment plant where trickle filters are being used. The larvae seem to like a thin meniscus of water in which to live.
Edited by Tony Irwin on 24-05-2021 14:36
Posted by nielsyese on 25-05-2021 08:24
#7
Thanks for having a look at this thread, these Scatella are pretty difficult! I'm trying to get an image of the different species, so this certainly helps. I have never seen a picture of specimen of S. silacea, so that makes it more difficult. I try if I can find a suitable habitat for this species here, maybe it is somewhere around:)