398 Annals Entomological Society of America [Vol. X, 



a shorter straight transverse groove, and below it a very short groove 

 which is connected to the large one by the marginal stria; region near 

 apical and basal angles coarsely punctate; disk smooth. Elytra 

 bistriate, first dorsal short deeply impressed, continued to base by a 

 series of fine punctures, second subentire, ending in confused punctures, 

 subhumeral deep, abbreviated at base and apex. Propygidium shining 

 on disk, subopaquc at sides and apex, rather sparsely so on disk. 

 Pygidium subopaque, finely, densely, and evenly punctate. Mentum 

 carinate as in cadi. Prosternum elevated carinate, broadened at base, 

 terminating apically in a point. Length 8.5 mm. 



Santa Rosa, Lower California. 



