Gallery Links
Users Online
· Guests Online: 32

· Members Online: 0

· Total Members: 5,060
· Newest Member: Amee
Forum Threads
Theme Switcher
Switch to:
Last Seen Users
· MorganA< 5 mins
· Jan Maca00:47:53
· ESant01:02:27
· John Carr01:08:25
· Nosferatumyia01:31:36
· evdb02:09:31
· Carnifex02:14:17
· ivo02:19:46
· Reimund Ley02:22:42
· daveb2102:29:39
Latest Photo Additions
View Thread
Diptera.info :: Family forums :: Asilidae Forum
 Print Thread
Asilidae bluish gray, red apex, black and orange legs => Cerdistus cf. erythrurus
bobabar
#1 Print Post
Posted on 22-08-2022 08:34
Member

Location:
Posts: 51
Joined: 18.11.13

Hello everybody!

This supposed Asilidae resembles Neoitamus cyanurus. But the red color of the apex is surprising. Even if it was illuminated by outside light, there was not a strong sun, and the photo on the right of the montage was taken with a flash, 3 or 4 cm from the beast.

www.galerie-insecte.org/galerie/image/dos308/big/P195034550r1k.JPG
Bobabar : France : Cergy : 95000 : 10/08/2022
Altitude : 85 m - Taille : Lc = 9, 5 mm (mesurée)
Réf. : 308958
www.galerie-insecte.org/galerie/image/dos308/big/P1310245r1k.JPG
Bobabar : France : Cergy : 95000 : 10/08/2022
Altitude : 85 m - Taille : Lc = 9, 5 mm (mesurée)
Réf. : 308957

Bobabar, Cergy, 25 kms North-West of Paris, France
Edited by bobabar on 31-08-2022 14:42
 
Chris Cohen
#2 Print Post
Posted on 22-08-2022 19:57
Member

Location:
Posts: 211
Joined: 15.02.19

Not Neoitamus, but rather Neomochtherus/Aneomochtherus or related
 
bobabar
#3 Print Post
Posted on 23-08-2022 09:49
Member

Location:
Posts: 51
Joined: 18.11.13

Thanks you Chris ! Smile

A colleague thinks of the genus Cerdistus. What do you think of this proposal?
 
Chris Cohen
#4 Print Post
Posted on 23-08-2022 16:51
Member

Location:
Posts: 211
Joined: 15.02.19

Cerdistus is related to Neomochtherus and allies, so that is possible. I'm not entirely sure how to separate those genera to be honest.
 
bobabar
#5 Print Post
Posted on 29-08-2022 08:25
Member

Location:
Posts: 51
Joined: 18.11.13

Thanks Chris! Smile
It's a bit the same answer that my colleague gave me, asking for the genitalia to study them. But I did not capture the beast.
 
Quaedfliegh
#6 Print Post
Posted on 30-08-2022 01:47
User Avatar

Member

Location: Tilburg Netherlands
Posts: 2219
Joined: 18.05.10

It is a Cerdistus cf erythrurus. The separation of Cerdistus is rather artificial but mostly they are small and have more DC than Aneomochtherus or Neomochtherus. Antennae always black. Somehow the separation feels "good" :-) At least I recognise them easily....
Greetings,

Reinoud

Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/

https://www.nev.nl/diptera/
 
Mariastraat 12
bobabar
#7 Print Post
Posted on 31-08-2022 14:21
Member

Location:
Posts: 51
Joined: 18.11.13

Thanks you Reinoud ! Smile

THe last link is broken.
I think that the new link for Diptera is now :
https://nev.nl/secties/vliegen-en-muggen/
 
Jump to Forum:
Similar Threads
Thread Forum Replies Last Post
black Tachinidae? Diptera (adults) 3 14-09-2025 10:21
Asilidae 2 from Souteast Turkey -->> Stenopogon cf sciron Asilidae Forum 5 04-09-2025 09:39
Asilidae 1 from Southeast Turkey -->> Stenopogon cf sciron Asilidae Forum 5 04-09-2025 09:38
Asilidae 3 from Souteast Turkey -->> Stenopogon cf laevigatus Asilidae Forum 8 04-09-2025 09:35
Little Black Diptera --> cf. Leucostoma sp. Diptera (adults) 5 03-09-2025 19:38
Date and time
14 September 2025 16:36
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: 0.94 seconds | 240,467,451 unique visits