Explanation of Names
Dorcasina matthewsii (LeConte 1869)
The species was described from pinned specimens so the color of the elytra is said to be testaceous, note that the living specimen is actually yellow. The females tend to have black antennae and legs, while the males are reddish brown (as mentioned in the key). The spots are variable, the typical having just the middle spot (more reduced) and infuscated elytral tips.