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#1 2013-06-01 21:31:01

syrphus
DF Members
Name: Murdo Macdonald
From: Strathpeffer, Highland
Registered: 2009-07-30
Posts: 12
Website

ID possible?

Is there anyone here who might look at my post at http://www.diptera.info/forum/viewthrea … d_id=54978 and perhaps suggest a species (or even a genus)?  I hope it is indeed the right family.

Any help gratefully received.

Murdo

[Edit - the correct link is now given.]

Last edited by syrphus (2013-06-02 17:21:53)


Read about the HBRG Ant Atlas at www. hbrg.org.uk.

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#2 2013-06-02 14:02:53

Michael Ackland
DF Members
Name: Michael Ackland
Registered: 2008-06-14
Posts: 189

Re: ID possible?

I came across your photo of this fly on diptera.info. It is a species of Zaphne. I have just got back from Oxford, so I will check up and probably give you a det in a few days.

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#3 2013-06-04 12:26:59

Michael Ackland
DF Members
Name: Michael Ackland
Registered: 2008-06-14
Posts: 189

Re: ID possible?

I think it is probably Zaphne nuda Schnabl. There are several species of Zaphne males with ventral tufts of setae (which are actually on the lateral margins of the tergites where they fold down so are ventral in position).  Several other species of this genus have tufts of varying size, some have crinkly hairs mixed with setae. I don't think it is ambigua, divisa, inuncta, spiniclunis or caudate.  These long setae are probably pheromone distributing "fans", and in the photo are erect, although in all my specimens they are horizontally directed and look rather different. Some males of Delia species have similar looking long setae but they are mainly on the sternites.

For a definite ID one has to look at the specimen or dissect the genitalia.

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#4 2013-06-04 14:10:15

syrphus
DF Members
Name: Murdo Macdonald
From: Strathpeffer, Highland
Registered: 2009-07-30
Posts: 12
Website

Re: ID possible?

Thanks, Michael.  I have the specimen, so will pass it to NMS the next time I am down.  I will let you know the result.

Murdo


Read about the HBRG Ant Atlas at www. hbrg.org.uk.

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