Genus Trichiotinus

key to se. spp. in (2)

Pronotum brown or black, elytra brown/black center, white stripes along sides: assimilis —mostly northern and western; affinis —similar to piger but elytral intervals 2 & 4 shiny, with scattered large punctures, look same as slightly elevated and convex intervals 3 & 5, and pygidium distinctly and closely rugose; piger —like affinis but intervals 2 & 4 finely and densely punctate, less shiny than distinctly elevated intervals 3 & 5; pygidium medially distinctly setose, noncretaceous surface with irregular rugae usually separated by ≤0.2 mm in median area; rufobrunneus —very brown, FL endemic; texanus TBA

Pronotum green, elytra brown to green in varying degrees, with no or weak white bars: bibens —elytra brown with green tinge, flies in mid-late summer; lunulatus —elytra brighter green than in bibens, flies in late spring and early summer [overlooked in(3)]; viridans TBA