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 Eristalis arbustorum (with some doubts!)
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| valter |
Posted on 06-10-2007 09:16
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 Member Location: Posts: 1959 Joined: 09.07.07 |
Location: Faro, south of Portugal Date Photo taken: October 5, 2007 Edited by valter on 27-10-2010 17:43 |
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| Kahis |
Posted on 06-10-2007 09:20
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 Member Location: Posts: 1999 Joined: 02.09.04 |
It is an Eristalis
Kahis |
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| valter |
Posted on 06-10-2007 09:25
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Member Location: Posts: 1959 Joined: 09.07.07 |
Eristalis arbustorum ???
Edited by valter on 06-10-2007 10:29 |
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| Susan R Walter |
Posted on 06-10-2007 14:57
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 Member Location: Posts: 1794 Joined: 14.01.06 |
Or E abusivus? Need a clearer view of the aristae (long pale hairs in arbustorum, virtually bare in abusivus).
Susan |
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| valter |
Posted on 06-10-2007 15:48
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Member Location: Posts: 1959 Joined: 09.07.07 |
And Now? |
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| Susan R Walter |
Posted on 06-10-2007 23:00
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Member Location: Posts: 1794 Joined: 14.01.06 |
Still can't see the aristae well enough.
Susan |
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| Gerard Pennards |
Posted on 08-10-2007 21:47
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 Member Location: Posts: 1914 Joined: 07.06.04 |
I think arbustorum!  Greetings Greetings, Gerard Pennards |
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| valter |
Posted on 08-10-2007 23:23
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Member Location: Posts: 1959 Joined: 09.07.07 |
An Expert in Syrphidae said that is: Eristalis horticola, female |
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| Gerard Pennards |
Posted on 09-10-2007 12:49
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Member Location: Posts: 1914 Joined: 07.06.04 |
Well, I normally don't disagree with experts , but in this case I do! I still think this is arbustorum or abusiva, because there is no dark marking in the wing (which horticola (nowadays called Eristalis lineata!) normally has, especially the female. Furthermore the face doesn't seem to have a black stripe, which a female E. lineata has. If it would have had a black stripe, one could probably have seen part of it! Third thing is that lineata would normally be more orange colored on the spots! But still, we could all be wrong, if the specimen is different from the normal form, which sometimes occurs. If you would have a facial shot whether it has a black stripe or not, we would be certain! greetings, Greetings, Gerard Pennards |
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| Paul Beuk |
Posted on 09-10-2007 14:18
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 Super Administrator Location: Posts: 19208 Joined: 11.05.04 |
Based on the spot-like pterostogma and the somewhat swollen hind metatarsi I would say E. nemorum (= [i]interrupta, sylvarum).
Paul - - - - Paul Beuk on https://diptera.info |
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| Andre |
Posted on 09-10-2007 16:16
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 Member Location: Posts: 2111 Joined: 18.07.04 |
It's Eristalis arbustorum, like Pennards suggested. The spots on the abdomen are too large for nemorum (= interrupta) and the stigma on the wing is 2-coloured... The face looks all haired too. It's a typical male arbustorum. Abusivus would have been nice (as a new species for P!), but it misses the characteristic metalic glance on the abdomen. It's defenitely not horticola (= lineata), for some obvious reasons  |
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| Tony Irwin |
Posted on 09-10-2007 20:14
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 Member Location: Posts: 7168 Joined: 19.11.04 |
Andre wrote: It's a typical male arbustorum. not a typical female?
Tony ---------- Tony Irwin |
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