Oblique dorsal view. Note the punctation of the vertex of the head, and its pronounced elevation above the pronotum. And also the distally well-separated, sharply tapered elytra...characteristic of
Macrosiagon.
The dark brown wings and sharply acute tibial spines here are characteristic of
M. flavipennis, vs.
tibial spines truncate and wings yellowish-hyaline for
M. fernaldum, according to Rivnay.
Full-size image
here.