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Diptera.info » Identification queries » Diptera (eggs, larvae, pupae)
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Unknown Diptera larvae
Rouncie
Hi all,

I'm currently processing water tray samples collected in oilseed rape in Wessex, UK, June-July 2013. I'm hoping to get all fly larvae at least down to Family but I have several that I haven't been able to get a reliable identification for.

The photos I have aren't great but I'm hoping that someone may have at least a rough idea what family they might belong to.

The first has cropped up in several samples, they are approx 2-3mm long. The have simple mouthparts, the posterior spiracles protrude on stalks and the segments have a wavy/ridged pattern. I thought they might be Agromyzids since the front spiracles seem to be adjacent but they are a lot darker than other examples I have seen and none seem to have this wavy pattern. Sorry I can't be more specific than that!

More to follow....
Edited by Rouncie on 25-06-2014 14:06
 
Rouncie
This second one is a similar size (2-3mm), again found in a few different samples now. The posterior spiracles are contained inside the last segment so I thought maybe Sarcophagidae?
 
Rouncie
I also found a few of these, but I'm not sure if they are fly larvae or not!
Edited by Rouncie on 25-06-2014 14:38
 
atylotus
the first 2 I don't know, the third and last is a Lonchopteridae larva
Edited by atylotus on 25-06-2014 15:15
 
Tony Irwin
The second one might be Sarcophagidae - females carry "ready-to-lay" first instar larvae, and often give birth in water traps - it's worth checking to make sure there were female Sarcophaga in the same trap, and maybe even dissecting some to get some reference material
Tony
----------
Tony Irwin
 
Rouncie
Thank you both for your help
 
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17.08.23 15:23
Aneomochtherus

17.08.23 13:54
Tony, I HAD a blank in the file name. Sorry!

17.08.23 13:44
Tony, thanks! I tried it (see "Cylindromyia" Wink but don't see the image in the post.

17.08.23 11:37
pjt - just send the post and attached image. Do not preview thread, as this will lose the link to the image,

16.08.23 08:37
Tried to attach an image to a forum post. jpg, 32kB, 72dpi, no blanks, ... File name is correctly displayed, but when I click "Preview Thread" it just vanishes. Help!

23.02.23 21:29
Has anyone used the Leica DM500, any comments.

27.12.22 21:10
Thanks, Jan Willem! Much appreciated. Grin

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Can any1 help out with a pdf copy of 1941 Hammer. Vidensk. Meddel. Dansk Naturhist. Foren. 105; thank you

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