Posted by John Carr on 21-11-2012 22:30
#1
These flies are found on a boardwalk in a marsh in western Massachusetts, USA in late May.
From May 22, 2010:
(Click to enlarge or view
on Flickr.)
(Click to enlarge.)
From May 29, 2009:
Another from May 29, 2009:
(Click to enlarge or view
on Flickr.)
Edited by John Carr on 22-11-2012 00:34
Posted by Gerard Pennards on 22-11-2012 00:25
#2
It's Brachypalpus oarus.
They are not all the same specimen, because the last picture is a female, the other pictures show a male!
greetings
Posted by John Carr on 22-11-2012 00:33
#3
Thanks for the ID. Three specimens from two different years, same place and same time of year.