Adult male N. americana. Dorsal view of elytra. Specimen dimensions: width of elytra = 13.5 mm; width of pronotum = 10.5 mm.
Adult male N. americana. Dorsal view of pronotum and head. Specimen dimensions: width of elytra = 13.5 mm; width of pronotum = 10.5 mm.
Adult male N. americana. Left lateral view. Specimen dimensions: width of elytra = 13.5 mm; width of pronotum = 10.5 mm.
Adult male N. americana. Dorsal view of elytra. Specimen dimensions: width of elytra = 14 mm; width of pronotum = 11 mm.
Adult male N. americana. Dorsal view of pronotum. Specimen dimensions: width of elytra = 14 mm; width of pronotum = 11 mm.
Adult male N. americana. Dorsoanterior view of head with antenna. Specimen dimensions: width of elytra = 14 mm; width of pronotum = 11 mm.
Adult male N. americana. Dorsal view of head with antenna. Specimen dimensions: width of elytra = 14 mm; width of pronotum = 11 mm.
Adult male N. americana. Dorsal view of elytra. Specimen dimensions: width of elytra = 13 mm; width of pronotum = 10 mm.
Adult male N. americana. Dorsal view of pronotum. Specimen dimensions: width of elytra = 13 mm; width of pronotum = 10 mm.
Adult female N. americana. Dorsal view of elytra. Specimen dimensions: width of elytra = 14 mm; width of pronotum = 11.5 mm.
Adult female N. americana. Dorsal view of head. Specimen dimensions: width of elytra = 14 mm; width of pronotum = 11.5 mm.
Adult female N. americana. Anterior view of head. Specimen dimensions: width of elytra = 14 mm; width of pronotum = 11.5 mm.
Adult female N. americana. Right lateral view. Specimen dimensions: width of elytra = 14 mm; width of pronotum = 11.5 mm.
Adult female N. americana. Ventral view. Specimen dimensions: width of elytra = 14 mm; width of pronotum = 11.5 mm.
Adult N. orbicollis. Dorsal view of elytra. Specimen dimensions: width of elytra = 9 mm; width of pronotum = 7 mm.
Adult N. orbicollis. Dorsal view of elytra. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6 mm.
Adult N. orbicollis. Dorsal view of head. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6 mm.
Adult N. orbicollis. Dorsal view of pronotum and head. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6 mm.
Adult N. orbicollis. Dorsal view of pronotum. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6 mm.
Adult N. orbicollis. Dorsoanterior view of head. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6 mm.
Adult N. orbicollis. Left anterolateral view of head. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6 mm.
Adult N. orbicollis. Left lateral view of body. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6 mm.
Adult N. orbicollis. Right lateral view of head. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6 mm.
Adult N. orbicollis. Right lateral view of body. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6 mm.
Adult N. orbicollis. Left dorsolateral view of head. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6 mm.
Adult male O. noveboracense. Anterior view of head. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 7 mm.
Adult male O. noveboracense. Anterodorsal view of head. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 7 mm.
Adult male O. noveboracense. Dorsal view of head and antenna. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 7 mm.
Adult male O. noveboracense. Dorsal view of pronotum. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 7 mm.
Adult male O. noveboracense. Right lateral view of body. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 7 mm.
Adult female O. noveboracense. Dorsal view of elytra. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6.5 mm.
Adult female O. noveboracense. Ventral view of body. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6.5 mm.
Adult female O. noveboracense. Anterodorsal view of head. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6.5 mm.
Adult female O. noveboracense. Dorsal view of pronotum. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6.5 mm.
Adult female O. noveboracense. Dorsolateral view of head. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6.5 mm.
Adult female O. noveboracense. Left lateral view of body. Specimen dimensions: width of elytra = 8 mm; width of pronotum = 6.5 mm.
Adult male O. noveboracense. Dorsal view. Specimen dimensions: width of elytra = 7 mm; width of pronotum = 6 mm.
Adult male O. noveboracense. Dorsoanterior view of head. Specimen dimensions: width of elytra = 7 mm; width of pronotum = 6 mm.