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BIG Horse Fly species?

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Old Friday 21st July 2006, 17:02   #1
dandare
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BIG Horse Fly species?

Can anyone ID a large horse fly that visited my house last night? - It was resting on a window, I didn't get a great view(kept my distance from the vicious looking beast)but it was approx 25mm in length, robust and generally brownish in colour with yellowish underparts, prominent jaws and looked like a kingsize version of the common type that often give you a nip at this time of year.
Over the years I have only seen horse flies of similar size a handfull of times, so they must be pretty scarce, at least in my area. The first time I came across them was many years ago, when 2 were chasing a cow which was galloping across a field trying to escape.... obviously they pack a bit of a punch!!

I've done a google search to try and find out what species it is.... pretty much resembles tabanus autumnalis except that the few pics that I could find of this species had green eyes not brown. Couldn't get the size of autumnalis either, though it did look pretty beefy in the pics.
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Old Friday 21st July 2006, 18:00   #2
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Have a look at Tabanus sudenticus,I've met one and they are scary mo'fu's!!
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Old Friday 21st July 2006, 18:07   #3
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Sorry that is Tabanus sudeticus (no n) that'll teach me to look it up first!
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Old Friday 21st July 2006, 18:15   #4
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found one at www.diptera.info/photogallery.php?photo-id=354
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Old Friday 21st July 2006, 19:21   #5
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Quote:
Originally Posted by mothman
Yep, that's the beasty! Thanks Colin.

Just did a google on 'em.... status in Wales - widespread but local and active in the 3rd week of July. Wouldn't have thought that there many records of one popping into someones home for a bite to eat though!!

Have you ever heard of anyone being bitten by one? A bite by one of the smaller species is none to pleasent, so going by the size of sudeticus and those mean looking jaws.......

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Old Friday 21st July 2006, 19:25   #6
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'scuse my total ignorance on these things chaps, but are these the flies that occasionally land on you and refuse to be flushed off again?
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Old Friday 21st July 2006, 19:27   #7
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Yep they are suprisingly squidgy not crunchy like other flies.
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Old Friday 21st July 2006, 19:31   #8
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Quote:
Originally Posted by dandare
Yep, that's the beasty! Thanks Colin.

Just did a google on 'em.... status in Wales - widespread but local and active in the 3rd week of July. Wouldn't have thought that there many records of one popping into someones home for a bite to eat though!!

Have you ever heard of anyone being bitten by one? A bite by one of the smaller species is none to pleasent, so going by the size of sudeticus and those mean looking jaws.......

dan
No I haven,t but acording to some reading matter that I just hoiked out of my bookcase,they target the legs.
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Old Friday 21st July 2006, 19:41   #9
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Quote:
Originally Posted by mothman
Yep they are suprisingly squidgy not crunchy like other flies.
thanks Colin ...
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Old Friday 21st July 2006, 19:42   #10
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Got Bitten On The Leg By One That Looked Extremely Similar Down The Marsh Yesterday,when I Whacked It My Palm Was Covered In Blood,would It Be The Same Fly???
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Old Friday 21st July 2006, 19:47   #11
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Quote:
Originally Posted by mothman
No I haven,t but acording to some reading matter that I just hoiked out of my bookcase,they target the legs.

Won't be wearing my khaki shorts on this weekends walks then!

dan
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Old Friday 21st July 2006, 20:06   #12
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Quote:
Originally Posted by mothman
No I haven,t but acording to some reading matter that I just hoiked out of my bookcase,they target the legs.
Had two bites on the leg from a Horse Fly presumablly, a couple of weeks back whilst up at Loch Arkaig, nr FT Willliam.

One at the back of the knee and the other on the ankle, I swear once the swelling and soreness had died down it left bruising !

I have only met a similiar fly once before and that was looking for Clay Coloured Robins in Texas, and they even bite through clothing !
The flies that is not the Robins.

Just glad they dont travell in hordes as the Highland Black Midge does.
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Old Friday 21st July 2006, 20:11   #13
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Quote:
Originally Posted by bobwoodcock
Got Bitten On The Leg By One That Looked Extremely Similar Down The Marsh Yesterday,when I Whacked It My Palm Was Covered In Blood,would It Be The Same Fly???
Could be any of the Horseflies but if it was between 2.5 &3.5cm then it probably was T sudeticus.
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Old Friday 21st July 2006, 20:13   #14
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Quote:
Originally Posted by dandare
Won't be wearing my khaki shorts on this weekends walks then!

dan
No choice here,nearly 100f everyday since May it won't be moleskins and wellies thats for sure
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Old Friday 21st July 2006, 20:24   #15
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Quote:
Originally Posted by bobwoodcock
No choice here,nearly 100f everyday since May it won't be moleskins and wellies thats for sure
Believe it or not it actually reached nearly 100 here in old blighty this week!!
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Old Friday 21st July 2006, 20:26   #16
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Quote:
Originally Posted by mothman
Believe it or not it actually reached nearly 100 here in old blighty this week!!
ENJOY, WHILE YOU CAN COLIN
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Old Friday 21st July 2006, 20:28   #17
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Quote:
Originally Posted by mothman
Could be any of the Horseflies but if it was between 2.5 &3.5cm then it probably was T sudeticus.
Yes it was a whopper about 2.5 at least
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Old Friday 21st July 2006, 20:33   #18
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Quote:
Originally Posted by bobwoodcock
No choice here,nearly 100f everyday since May it won't be moleskins and wellies thats for sure
As Colin says, it's pretty hot here. Think I'd prefer to sweat it out in moleskins(I'll pass on the wellies)than risk one of those T sudeticus buggers drill a hole in me leg.

Could do with loosing a bit of weight anyway!

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Old Friday 21st July 2006, 20:39   #19
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Quote:
Originally Posted by dandare
As Colin says, it's pretty hot here. Think I'd prefer to sweat it out in moleskins(I'll pass on the wellies)than risk one of those T sudeticus buggers drill a hole in me leg.

Could do with loosing a bit of weight anyway!

dan
Once I am down the marsh I am safe Dan as I have made a mosi net hide,it's just getting there before the little b's get me.
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Old Friday 21st July 2006, 20:49   #20
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Quote:
Originally Posted by bobwoodcock
Once I am down the marsh I am safe Dan as I have made a mosi net hide,it's just getting there before the little b's get me.
You're a lucky man Bob, if I had one of those I'd get all my clobber off.... once inside the mosi net hide of course.

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Old Friday 21st July 2006, 20:56   #21
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I have only met a similiar fly once before and that was looking for Clay Coloured Robins in Texas, and they even bite through clothing !
The flies that is not the Robins.[/QUOTE)

I once got bit on the shoulder right through my t-shirt. Didn't manage to see the culprit but presumed it was a horse fly.

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Old Friday 21st July 2006, 21:02   #22
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Quote:
Originally Posted by dandare
I have only met a similiar fly once before and that was looking for Clay Coloured Robins in Texas, and they even bite through clothing !
The flies that is not the Robins.[/QUOTE)

I once got bit on the shoulder right through my t-shirt. Didn't manage to see the culprit but presumed it was a horse fly.

dan
There used to be some bad one's in Belize which used to drink mosi repellent for fun I'm sure,have'nt a clue what they were though!!!
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Old Friday 21st July 2006, 21:19   #23
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Here's one for all you experts, but you'll have to excuse the poor description. Location was the Avalon Marshes on the Somerset Levels last summer, when there seemed to be dozens of these nasty bugger's about. Outline description: noticeably 'delta' shaped when settled, about the same size as a 'conventional' horse fly. Wings were light brown with dark brown spots/patches, seemed to be attracted to white/light coloured clothing. Couldn't feel them 'settle' until the sods zapped you! I understand only females bite, sometimes resulting in an enormous egg-shaped lump!

Funnily though, I haven't seen any this year . . . so far!!! Any ideas?
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Old Saturday 22nd July 2006, 18:18   #24
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Quote:
Originally Posted by BGuy
Here's one for all you experts, but you'll have to excuse the poor description. Location was the Avalon Marshes on the Somerset Levels last summer, when there seemed to be dozens of these nasty bugger's about. Outline description: noticeably 'delta' shaped when settled, about the same size as a 'conventional' horse fly. Wings were light brown with dark brown spots/patches, seemed to be attracted to white/light coloured clothing. Couldn't feel them 'settle' until the sods zapped you! I understand only females bite, sometimes resulting in an enormous egg-shaped lump!

Funnily though, I haven't seen any this year . . . so far!!! Any ideas?
Have a look on the website mentioned earlier_look under Tabanidae(this is the family name ) on page two and see if any bells are rung.
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Old Saturday 22nd July 2006, 19:21   #25
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This description fits what we call klegs (spelling?) in Scotland. I remember one once stung/bit my son thrugh his denims! You feel it on your skin and try and brush it off and it won't go! Maybe someone can let us know what it is - I'm sure it's some sort of horse fly. Have them frequently here in Yorkshire.

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