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Diptera.info :: Identification queries :: Diptera (adults)
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Tabanidae - Haematopota crassicornis?
tim worfolk
#1 Print Post
Posted on 22-07-2009 21:50
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Just want to check I've got this one correct.

22/7/2009: Devon, England; Wet meadow.

Thanks

Tim
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tim worfolk
#2 Print Post
Posted on 22-07-2009 21:50
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different fly but surely the same sp.
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Edited by tim worfolk on 22-07-2009 21:51
 
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ChrisR
#3 Print Post
Posted on 22-07-2009 22:43
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Wow - I've not squashed one like that before Shock
Manager of the UK Species Inventory in the Angela Marmont Centre for UK Biodiversity at the Natural History Museum, London, Coordinator for the UK Tachinid Recording Scheme, my Diptera blog
 
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tim worfolk
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Posted on 22-07-2009 23:04
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I find that they don't squash, no matter how hard you hit them they fall to the ground, shake their heads and stagger around for a minute or two then fly off in search of more blood. Hard or what!

Tim
 
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Tony T
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Posted on 24-07-2009 11:52
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ChrisR wrote:
Wow - I've not squashed one like that before Shock

In defense of tabanids.
Why would you want to squash it? It's a non-blood-feeding male. I can appreciate squashing those murderous spiky tachs.
 
Zeegers
#6 Print Post
Posted on 24-07-2009 17:17
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The first one is a male of pluvialis / subcylindrica.

The second one is more difficult, from the pic it might be crassicornis, however, time of year suggests otherwise.
I would need more/better pictures of the antenna


Theo
 
tim worfolk
#7 Print Post
Posted on 27-07-2009 21:53
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Thanks Theo, and I give way to your vastly greater knowledge. Now, I'm just wondering where I went wrong with the key in Stubbs & Drake:

I can't see any orange on antennal seg. 3; and there doesn't appear to be any orange at the side of tergite 2 and 3. So, following the key this must be either crassicornis or italica.

here's an enlarged photo of head/antenna - probably not detailed enough though.
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tim worfolk
#8 Print Post
Posted on 27-07-2009 21:55
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And here's the only shot I got of the dorsal side - strong wind so very shaky.

Thanks

Tim
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22.09.16 22:53
1. Select a forum by clicking on the top bar, item "Forum". 2. Once your subforum is chosen, click the "New thread" button on the bottom of the page.

20.09.16 22:46
I have an ID question. I can not find how to start a new tread in the forum. Anyone?

17.09.16 12:02
Thanks very much Dmitry

16.09.16 12:37
vgl. = cf. (compare)

16.09.16 11:30
Hello Can anyone tell me what the German abbrev. vgl stands for, dictionary says mg/l which isn't the case Thx

06.09.16 22:49
Here in Britain it has been a very poor season for all insects. Most families of fly have been very scarce compared to some years ago. This is about the fifth poor season and it was the worst yet. Wha

05.09.16 22:35
May was very atypical and April. April was very cold - the coldest month in 30 years. And May was very rainy. But this does not explain itself why the decrease of insects. Or it is just a normal cyc

05.09.16 22:32
well I collect in those places since 2005, and it is perfectly clear there were several families I did not see this year, or even the rather common Tachinidae, for the current year I only saw dozens.

05.09.16 16:51
Well it should be compared to the insect diversity and numbers of that region for the last years/decades...

01.09.16 23:39
This year in Portugal there was a very clear decrease/waning number and diversity in all insect orders. Fewer tachinids than usual, for example. Fennel flowers are very scarce of insects these days.

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