Posted by John Carr on 01-10-2014 02:02
#1
Massachusetts, USA August 1, 2014 near salt marsh.
Edited by John Carr on 02-10-2014 21:09
Posted by Stephane Lebrun on 02-10-2014 20:51
#2
I think it is
M. pascuorum : large calypters, bluish tinge, stripes on thorax absent or nearly so....