Gallery Links
Users Online
· Guests Online: 44

· Members Online: 0

· Total Members: 5,060
· Newest Member: Amee
Forum Threads
Theme Switcher
Switch to:
Last Seen Users
· John Carr00:27:05
· libor01:25:58
· Carnifex01:29:16
· piros01:39:16
· mwkozlowski02:00:28
· Juergen Peters02:17:38
· eklans02:22:32
· Steve Pelikan02:27:56
· weia03:10:26
· Carlo Monari03:22:23
Latest Photo Additions
View Thread
Diptera.info :: Identification queries :: Diptera (adults)
 Print Thread
Scatella paludum?
Nikita Vikhrev
#1 Print Post
Posted on 07-07-2006 19:18
User Avatar

Member

Location: Moscow, Russia
Posts: 9475
Joined: 24.05.05

Moscow region, 06 july, 2-2,5mm
After finishing ID I disovered new Nigel's thread with same fly.
According Tony's explanations:
silvery face
brown dusting restricted to the dorsal surface of tergites
white spots on the wings sometimes almost invisible

Unfortunely I don't know what is"genal bristle".
Nikita Vikhrev attached the following image:


[77.24Kb]
Nikita Vikhrev - Zool Museum of Moscow University
 
Tony Irwin
#2 Print Post
Posted on 07-07-2006 21:40
User Avatar

Member

Location: Norwich, England
Posts: 7306
Joined: 19.11.04

Hi Nikita
Yes, this is paludum (the upper one is a female, the lower one a male). The genal bristle is located almost directly under the eye. It's the lowest of the series of bristles running down the sides of the face. Your specimens clearly have a weak genal bristle.
Tony
Tony
----------
Tony Irwin
 
Nikita Vikhrev
#3 Print Post
Posted on 08-07-2006 13:22
User Avatar

Member

Location: Moscow, Russia
Posts: 9475
Joined: 24.05.05

Thank you Tony.
Once again I discovered the main (for me) problem with ID flies on photo. Both images above have been made in same cow's footstep
with 100ml of water. I remembered Ephydridas with darkened wings with white spots. Two my grate astonishment under micriscip I found only 1 out of 4 Ephydridae witu such wings. Another 3 looks with clear wings. Going by key I found that 3 is same as on photo, that wings are dark with white spots, but less visible. Another one is with brown face and good visible genal bristle (thanks once more) pointed foreward and down. I think it is S. stagnalis.
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
Nikita Vikhrev
#4 Print Post
Posted on 08-07-2006 19:44
User Avatar

Member

Location: Moscow, Russia
Posts: 9475
Joined: 24.05.05

One more question.
Please, Tony, how did you distinguish sexes in Scatella?
Nikita Vikhrev - Zool Museum of Moscow University
 
Tony Irwin
#5 Print Post
Posted on 08-07-2006 23:21
User Avatar

Member

Location: Norwich, England
Posts: 7306
Joined: 19.11.04

In most Ephydridae, the male has a large pre-genital tergite that encloses the hypopygium. Looking at your lower photograph, the joint tergite 1+2 appears just behind the haltere, then tergites 3 and 4, then the large fifth tergite. In the female (top photo) a sixth tergite is visible.
In many species of Scatella there are secondary sexual characters (swollen costa or longer bristles behind the fore-femora), but the sexes in paludum are very similar.
Tony
Tony
----------
Tony Irwin
 
Nikita Vikhrev
#6 Print Post
Posted on 08-07-2006 23:32
User Avatar

Member

Location: Moscow, Russia
Posts: 9475
Joined: 24.05.05

Understood.
Thank you Tony.
Nikita Vikhrev - Zool Museum of Moscow University
 
Jump to Forum:
Similar Threads
Thread Forum Replies Last Post
Ephydridae: Scatella cf. lacustris Diptera (adults) 5 22-07-2025 15:58
Ephydridae: Scatella paludum Diptera (adults) 5 18-09-2024 14:02
Ephydridae genus Scatella Diptera (adults) 7 16-08-2024 15:23
Scatella (Ephydridae) ID Diptera (adults) 1 22-06-2024 08:22
Scatella (Ephydridae)? (10.02.24) --> cf. Scatella lacustris Diptera (adults) 4 20-03-2024 22:50
Date and time
14 September 2025 20:57
Login
Username

Password



Not a member yet?
Click here to register.

Forgotten your password?
Request a new one here.
Temporary email?
Due to fact this site has functionality making use of your email address, any registration using a temporary email address will be rejected.

Paul
Donate
Please, help to make
Diptera.info
possible and enable
further improvements!
Latest Articles
Syrph the Net
Those who want to have access to the Syrph the Net database need to sign the
License Agreement -
Click to Download


Public files of Syrph the Net can be downloaded HERE

Last updated: 25.08.2011
Shoutbox
You must login to post a message.

08.09.25 16:17
Anyone has this article'A REVISION OF SPECIES OF THE GENUS CADREMA WALKER (DIPTERA, CHLOROPIDAE) FROM ISLANDS IN THE INDIAN OCEAN'? Smile

24.08.25 16:55
Thanks for your proposal, but for me this option is ineligible.

15.08.25 10:15
For those specialists not active on Facebook, I just ask to consider to join our group on FB. Please, be aware that it is not necessary at all to be active on FB outside the diptera group. Actually, n

15.08.25 10:13
We received requests to get permission to ask for ID in our Facebook group, https://www.facebo
ok.com/groups/1798
95332035235/ Until now we pointed to diptera.info, but since Paul's passing we not

23.06.25 18:10
If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

23.06.25 11:18
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

19.06.25 15:33
I have the hard copy book, if you have any specific queries, but I'm not scanning the 500+ pages!

02.06.25 18:26
Anyone has "Chironomidae of the Holarctic region. Keys and diagnoses. Part 3. Adult Males Entomologica Scandinavica Supplement 34"? smolwaarneming@gma
il.com

28.05.25 20:57
I have Russian Coenosia. nikita6510@ya.ru

28.05.25 12:25
Is someone able to share with me "A key to the Russian species of the genus Coenosia"?

Render time: 0.78 seconds | 240,488,352 unique visits