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--_6be11d09-c8d2-4e42-a92a-36f6ab6db5df_
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Again=2C thanks Steve. Your id is correct. It is a Flatheaded Mayfly=2C Art=
hroplea bipunctata. I was befuddled=2C I guess=2C after having Dave McCorq.=
identifing some of my strange creatures as "Ichs" so I ided this one as an=
other Ich.
Angus
=20
=20
> Date: Mon=2C 27 May 2013 11:48:04 -0300
> From: srshaw@Dal.Ca
> To: naturens@chebucto.ns.ca
> Subject: Re: [NatureNS] RE: Fly Photos
>=20
> Quoting Angus MacLean <cold_mac@hotmail.com>:
> > Hi Stephen & thanks for the ids & corrections.
> >
> > When I checked out what the viewer is able to see on my wife's=20
> > computer=2C I was surprised. So limited!
> >
> > Thumbnail views are not easy to find but I can send a second link to=20
> > everyone that shows something similar:
> >
> > http://www.flickr.com/photos/58321572@N00/
> >
> > If you have a normal size screen you should see three photos across=20
> > (with my 22" screen I can see four). Then you can continue to scroll=20
> > down to see the rest of the pics from the most recent to the=20
> > earliest. You can also do a single click on a pic to see it in=20
> > larger size & also see my comments & the comments of others.
> >
> > Then click the back arrow to return.
> >
> > Is this the photo you thought was a mayfly?
> >
> > http://www.flickr.com/photos/58321572@N00/8707923635/
> > Angus
>=20
> Yes=2C but really just guessing. The abdomen looks twisted but it is=20
> still colored=2C so presumably recently deceased. There appear to be=20
> only 2 'tails' (caudal filaments=2C sort of rear-facing antennae)=2C when=
=20
> I think mayflies usually (always?) have 3=2C so that might say stonefly=
=2C=20
> which do have 2 (Plecoptera). On the other hand the caudal filaments=20
> are fragile and often break off=2C and there looks like a break in one=20
> in the picture=2C so maybe there once were 3? You'd expect a single=20
> ovipositor in an ichneumon and more of a 'waist'=2C but I suppose if it=20
> was dead the sheath on the ovipositor might have become displaced=2C so=20
> you could be right on the ID. Exotic wing venation looks more typical=20
> of a 'lower' insect group than a hymenopteran=2C though=2C and mayflies=20
> are next but one to the bottom of the winged insect tree.
> You need someone authoritative on this one (=3D not me) -- perhaps Dave=20
> McC in Cape Breton U could offer a better judgment if he's reading this.
> Steve
> >
> >
> >> From: srshaw@DAL.CA
> >> To: naturens@chebucto.ns.ca
> >> Subject: Re: [NatureNS] RE: Fly Photos
> >>
> >> Hi Angus=2C
> >> Very nice photos=2C as usual. I'm not good at general fly IDs and rely
> >> on BugGuide.net=2C but can recognize a few=2C and agree with some of y=
our
> >> IDs -- you are good at syrphids. Some suggested revisions:
> >>
> >> --#3 is definitely not a wood gnat (Anisopodidae)=2C it's a rhagionid=
=2C
> >> Rhagio mystaceus=2C like #9 (this one is a certainly a male -- eyes me=
et
> >> at the top of the head -- not in females).
> >> --#11=2C 'Machimus'=2C agreed=2C it is a small robber fly=2C but is th=
e common
> >> Dioctria hyalopennis=2C a female by the shape of the abdomen=2C though
> >> that's out of the plane of focus. Bev Wigney had a great pic of one on
> >> her site=2C Magiccanoe or some similar name.
> >> --'Lucilia a blowfly'=2C appears to be a blowfly=2C but more likely is=
a
> >> Calliphora species=2C male. It appears in your series twice=2C at
> >> 8789077462 & 8617225129.
> >> --Fruit fly unknown (small pic=2C 8785130892) looks like another=2C
> >> smaller common rhagionid=2C Rhagio gracilis=3B the abdominal shape say=
s
> >> this is a male. Seems too orange-tinted though in this pic=2C always
> >> pale pale yellow in my experience.
> >> --Lucilia halteres (white bits) are not the halteres (all flies have
> >> those but not visible here)=2C but are a small accessory wing lobe or
> >> calypter=2C present in 'calyptrate' flies.
> >> -- I stopped looking soon after this=2C but a rather dishevelled looki=
ng
> >> ichneumon further on looks more like a mayfly.
> >>
> >> The right arrow does show up on Firefox/Mac in my case=2C but I wish
> >> Flickr had an accessible thumbnail page view so that you could skip
> >> around easily. I think maybe it still does have but I didn't sign in
> >> to check this.
> >> Steve=2C Halifax
> >>
> >> Quoting Angus MacLean <cold_mac@hotmail.com>:
> >> I've just noted that the right hand arrow does not show up for those
> >> wishing to view the next image. Just use the right arrow on the
> >> keyboard. (there are lots of complaints about the changes in Flickr
> >> but no one mentioned this one?).
> >> >
> >> > There are a number of fly experts on this listserver so I would
> >> > appreciate your input. (It's awkward to have incorrectly identified
> >> > creatures on one's site).
> >> >
> >> > Thanks=2C Angus
> >> >
> >> > - - -- -- - - - - -- - - -- -- - - - - - - - -- - - - - - - - - - - =
- - -
> >> > I have posted about 35 photos of flies to my Flickr site. They
> >> > include many types of flies. (For those that expressed concern there
> >> > are no photos of spiders!!). They can be viewed at:
> >> >
> >> > http://www.flickr.com/photos/58321572@N00/8828901560/
> >> >
> >> > As a whole=2C Flickr sites have been extensively revised. The means =
of
> >> > moving to the next image is now similar to other photo sites.
> >>
>=20
=
--_6be11d09-c8d2-4e42-a92a-36f6ab6db5df_
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<body class=3D'hmmessage'><div dir=3D'ltr'>Again=2C thanks Steve. Your id i=
s correct. It is a Flatheaded Mayfly=2C Arthroplea bipunctata. =3BI was=
befuddled=2C I guess=2C after having Dave McCorq. identifing some of my st=
range creatures as "Ichs" so I ided =3Bthis one as another Ich.<BR>
Angus<BR>
 =3B<BR> =3B<BR>
<DIV>>=3B Date: Mon=2C 27 May 2013 11:48:04 -0300<BR>>=3B From: srshaw@=
Dal.Ca<BR>>=3B To: naturens@chebucto.ns.ca<BR>>=3B Subject: Re: [Nature=
NS] RE: Fly Photos<BR>>=3B <BR>>=3B Quoting Angus MacLean <=3Bcold_ma=
c@hotmail.com>=3B:<BR>>=3B >=3B Hi Stephen &=3B thanks for the ids=
&=3B corrections.<BR>>=3B >=3B<BR>>=3B >=3B When I checked out =
what the viewer is able to see on my wife's <BR>>=3B >=3B computer=2C I=
was surprised. So limited!<BR>>=3B >=3B<BR>>=3B >=3B Thumbnail vie=
ws are not easy to find but I can send a second link to <BR>>=3B >=3B e=
veryone that shows something similar:<BR>>=3B >=3B<BR>>=3B >=3B htt=
p://www.flickr.com/photos/58321572@N00/<BR>>=3B >=3B<BR>>=3B >=3B I=
f you have a normal size screen you should see three photos across <BR>>=
=3B >=3B (with my 22" screen I can see four). Then you can continue to sc=
roll <BR>>=3B >=3B down to see the rest of the pics from the most recen=
t to the <BR>>=3B >=3B earliest. You can also do a single click on a pi=
c to see it in <BR>>=3B >=3B larger size &=3B also see my comments &=
amp=3B the comments of others.<BR>>=3B >=3B<BR>>=3B >=3B Then click=
the back arrow to return.<BR>>=3B >=3B<BR>>=3B >=3B Is this the ph=
oto you thought was a mayfly?<BR>>=3B >=3B<BR>>=3B >=3B http://www.=
flickr.com/photos/58321572@N00/8707923635/<BR>>=3B >=3B Angus<BR>>=3B=
<BR>>=3B Yes=2C but really just guessing. The abdomen looks twisted but =
it is <BR>>=3B still colored=2C so presumably recently deceased. There ap=
pear to be <BR>>=3B only 2 'tails' (caudal filaments=2C sort of rear-faci=
ng antennae)=2C when <BR>>=3B I think mayflies usually (always?) have 3=
=2C so that might say stonefly=2C <BR>>=3B which do have 2 (Plecoptera). =
On the other hand the caudal filaments <BR>>=3B are fragile and often bre=
ak off=2C and there looks like a break in one <BR>>=3B in the picture=2C =
so maybe there once were 3? You'd expect a single <BR>>=3B ovipositor in =
an ichneumon and more of a 'waist'=2C but I suppose if it <BR>>=3B was de=
ad the sheath on the ovipositor might have become displaced=2C so <BR>>=
=3B you could be right on the ID. Exotic wing venation looks more typical <=
BR>>=3B of a 'lower' insect group than a hymenopteran=2C though=2C and ma=
yflies <BR>>=3B are next but one to the bottom of the winged insect tree.=
<BR>>=3B You need someone authoritative on this one (=3D not me) -- perha=
ps Dave <BR>>=3B McC in Cape Breton U could offer a better judgment if he=
's reading this.<BR>>=3B Steve<BR>>=3B >=3B<BR>>=3B >=3B<BR>>=
=3B >=3B>=3B From: srshaw@DAL.CA<BR>>=3B >=3B>=3B To: naturens@ch=
ebucto.ns.ca<BR>>=3B >=3B>=3B Subject: Re: [NatureNS] RE: Fly Photos<=
BR>>=3B >=3B>=3B<BR>>=3B >=3B>=3B Hi Angus=2C<BR>>=3B >=3B&=
gt=3B Very nice photos=2C as usual. I'm not good at general fly IDs and rel=
y<BR>>=3B >=3B>=3B on BugGuide.net=2C but can recognize a few=2C and =
agree with some of your<BR>>=3B >=3B>=3B IDs -- you are good at syrph=
ids. Some suggested revisions:<BR>>=3B >=3B>=3B<BR>>=3B >=3B>=
=3B --#3 is definitely not a wood gnat (Anisopodidae)=2C it's a rhagionid=
=2C<BR>>=3B >=3B>=3B Rhagio mystaceus=2C like #9 (this one is a certa=
inly a male -- eyes meet<BR>>=3B >=3B>=3B at the top of the head -- n=
ot in females).<BR>>=3B >=3B>=3B --#11=2C 'Machimus'=2C agreed=2C it =
is a small robber fly=2C but is the common<BR>>=3B >=3B>=3B Dioctria =
hyalopennis=2C a female by the shape of the abdomen=2C though<BR>>=3B >=
=3B>=3B that's out of the plane of focus. Bev Wigney had a great pic of o=
ne on<BR>>=3B >=3B>=3B her site=2C Magiccanoe or some similar name.<B=
R>>=3B >=3B>=3B --'Lucilia a blowfly'=2C appears to be a blowfly=2C b=
ut more likely is a<BR>>=3B >=3B>=3B Calliphora species=2C male. It a=
ppears in your series twice=2C at<BR>>=3B >=3B>=3B 8789077462 &=3B=
8617225129.<BR>>=3B >=3B>=3B --Fruit fly unknown (small pic=2C 87851=
30892) looks like another=2C<BR>>=3B >=3B>=3B smaller common rhagioni=
d=2C Rhagio gracilis=3B the abdominal shape says<BR>>=3B >=3B>=3B thi=
s is a male. Seems too orange-tinted though in this pic=2C always<BR>>=3B=
>=3B>=3B pale pale yellow in my experience.<BR>>=3B >=3B>=3B --L=
ucilia halteres (white bits) are not the halteres (all flies have<BR>>=3B=
>=3B>=3B those but not visible here)=2C but are a small accessory wing=
lobe or<BR>>=3B >=3B>=3B calypter=2C present in 'calyptrate' flies.<=
BR>>=3B >=3B>=3B -- I stopped looking soon after this=2C but a rather=
dishevelled looking<BR>>=3B >=3B>=3B ichneumon further on looks more=
like a mayfly.<BR>>=3B >=3B>=3B<BR>>=3B >=3B>=3B The right arr=
ow does show up on Firefox/Mac in my case=2C but I wish<BR>>=3B >=3B>=
=3B Flickr had an accessible thumbnail page view so that you could skip<BR>=
>=3B >=3B>=3B around easily. I think maybe it still does have but I d=
idn't sign in<BR>>=3B >=3B>=3B to check this.<BR>>=3B >=3B>=3B =
Steve=2C Halifax<BR>>=3B >=3B>=3B<BR>>=3B >=3B>=3B Quoting Angu=
s MacLean <=3Bcold_mac@hotmail.com>=3B:<BR>>=3B >=3B>=3B I've jus=
t noted that the right hand arrow does not show up for those<BR>>=3B >=
=3B>=3B wishing to view the next image. Just use the right arrow on the<B=
R>>=3B >=3B>=3B keyboard. (there are lots of complaints about the cha=
nges in Flickr<BR>>=3B >=3B>=3B but no one mentioned this one?).<BR>&=
gt=3B >=3B>=3B >=3B<BR>>=3B >=3B>=3B >=3B There are a number =
of fly experts on this listserver so I would<BR>>=3B >=3B>=3B >=3B =
appreciate your input. (It's awkward to have incorrectly identified<BR>>=
=3B >=3B>=3B >=3B creatures on one's site).<BR>>=3B >=3B>=3B &g=
t=3B<BR>>=3B >=3B>=3B >=3B Thanks=2C Angus<BR>>=3B >=3B>=3B &=
gt=3B<BR>>=3B >=3B>=3B >=3B - - -- -- - - - - -- - - -- -- - - - - =
- - - -- - - - - - - - - - - - - -<BR>>=3B >=3B>=3B >=3B I have pos=
ted about 35 photos of flies to my Flickr site. They<BR>>=3B >=3B>=3B=
>=3B include many types of flies. (For those that expressed concern ther=
e<BR>>=3B >=3B>=3B >=3B are no photos of spiders!!). They can be vi=
ewed at:<BR>>=3B >=3B>=3B >=3B<BR>>=3B >=3B>=3B >=3B http:/=
/www.flickr.com/photos/58321572@N00/8828901560/<BR>>=3B >=3B>=3B >=
=3B<BR>>=3B >=3B>=3B >=3B As a whole=2C Flickr sites have been exte=
nsively revised. The means of<BR>>=3B >=3B>=3B >=3B moving to the n=
ext image is now similar to other photo sites.<BR>>=3B >=3B>=3B<BR>&g=
t=3B <BR></DIV> </div></body>
</html>=
--_6be11d09-c8d2-4e42-a92a-36f6ab6db5df_--
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