Diptera.info :: Identification queries :: Diptera (adults)
Who is here? 1 guest(s)
 Tachinidae - Lydella?
|
|
| tim worfolk |
Posted on 23-05-2009 06:49
|
 Member Location: Devon, England Posts: 737 Joined: 05.05.09 |
This was present when I photographed the previous Exorista sp. see http://www.dipter...d_id=21886 Is it the same sp. but the female (proclinate parafrontal bristles), or am I misinterpreting it and it's something else altogether? Many thanks for your patience. Tim tim worfolk attached the following image:  [118.49Kb] Edited by tim worfolk on 24-05-2009 21:52 |
|
|
|
| ChrisR |
Posted on 23-05-2009 09:09
|
 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
My feeling is that it is too black&grey and not long enough in the abdomen - it is lacking the golden/yellow dusting on the head and the obvious white ruff of hairs that Exorista spp. have. I am not as good at Theo at spotting the minute features in photos but it is very anonymous and black with bare eyes & strongly raise & crossed apical scutellars, which often means Lydella stabulans - but that's just an educated guess. 
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
 |
|
| Zeegers |
Posted on 23-05-2009 09:21
|
|
Member Location: Soest, NL Posts: 18538 Joined: 21.07.04 |
Definitely not Exorista, since it has 4 post DC and discal setae on tergites, a combination not occuring in Exorista. First impression is female Lydella (broad vertex, bare eyes, black scutellum, apical scutellar bristles might be erect, difficult to see) Theo |
|
|
|
| tim worfolk |
Posted on 23-05-2009 12:48
|
|
Member Location: Devon, England Posts: 737 Joined: 05.05.09 |
Many thanks Theo and Chris; I'll look out for it again and try for better photos. Tim |
|
|
|
| Zeegers |
Posted on 24-05-2009 16:06
|
|
Member Location: Soest, NL Posts: 18538 Joined: 21.07.04 |
Sorry for the title, but I never suggested stabulans.... I'm more thinking grisescens/thompsoni Anyhow, if the genus isn't certain, there is no use in speculating at species level Theo |
|
|
|
| ChrisR |
Posted on 24-05-2009 21:50
|
|
Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
I suggested stabulans because it is very common here; we don't have thompsoni in the UK; and the grisescens I have seen in collections are usually much greyer 
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London. |
|
|
|
| tim worfolk |
Posted on 24-05-2009 21:57
|
|
Member Location: Devon, England Posts: 737 Joined: 05.05.09 |
I've changed the thread title again, sorry if I jumped the gun. I realise it's asking a lot for a definite id. based on one not so good photo, so I do appreciate your help. As I said, I'll go back and try for more photos. Tim |
|
|
|
| Zeegers |
Posted on 25-05-2009 20:16
|
|
Member Location: Soest, NL Posts: 18538 Joined: 21.07.04 |
Well, I enjoy all your great pictures, and as long as you don't complain not getting a 100 % ID, it is all perfectly fine with me. Theo |
|
|
|
| tim worfolk |
Posted on 26-05-2009 07:04
|
|
Member Location: Devon, England Posts: 737 Joined: 05.05.09 |
Thanks Theo, I can only really contribute with my photos - I'm a complete amateur at identification, although I am learning much from this forum (even if it's only how little I know!) As for not getting certain ID's, I'm always amazed at how good you guys are. Thanks as ever Tim |
|
|
|
| Jump to Forum: |
