NB: T. spinipes, T. gracilipes, T. minutus, and
T. nigrescens, synonymized by Hespenheide (1992), are listed as valid in O'Brien's 1997 catalog
(4) that was prepared before Hespenheide's revision and not updated to reflect the synonymy. --H. Hespenheide, pers.comm. to =v= 9.viii.2011)