From: Brian Larson · blarson·at·pcii.netLink Submitted December 10th 2005
On further investigation I find by emails with Jan that this is not a 2-colored BWO.
From: Brian Larson · blarson·at·pcii.netLink Submitted December 9th 2005
Be nice to have more information on the 2 colored CDC fly. Form the picture it is not very obvious where the 2-color part comes from or what the body is made of.