Hippopsis lemniscata.
Size: approx. 12 mm. Photo: 05/11/16, 9 pm.

I think this long-horned beetle looks great. It is Hippopsis lemniscata. It feeds on common ragweed (Ambrosia artemisiifolia), which as far as I am concerned, makes it even better but unfortunately the "destruction by larval H. lemniscata does not appear to affect the competitive or reproductive capacities of A. artemisiifolia." 

bug guide (this photo):
G.L. Pieper, Coleop. Bull. 31, 273, 1977: