Prothorax.--Disk campanulate, foveolate; cervical sulcus moderately deep, extending from near coxal cavity to about 0.56 to 0.63 distance to pronotal midline (Fig.
They described briefly the anterior margin of the sternum and the prosternal process, and use the term "closed coxal cavity" when the prothoracic sclerites expand behind the coxae, and "open coxal cavity" when the sclerite that closes behind the prothoracic coxal cavity is the mesothorax.