460 (84) Mr. G. R. Crotch's Revision of 



Cyrtotriplax humeralis. 



Tritoma humerale, Fab. Syst. El. ii. 571. 



Triplax tceniata, Lee. J. Phil. (2) i. 71. — Pr. Phil. vii. 162. 



Yar. ru/ice2)s, Lee. J. Ac. Phil. (2) i. 72. 



Var. vittata, Lee. J. Ae. Phil. (2) i. 72. 



Var. aulica, Horn, Tr. Am. Ent. Soe. 1871, 343. 



Europe, United States. 



Cyrtotriplax biguttata. 



Tritoma biguttata, Say, J. Ac. Phil. iv. 89. 



basalis, Lac. Erot. 225. 



' Middle and Southern States of North America, abundant. 



C3rrtotriplax mimetica. 



Cyrtotriplax mimetica, Crotch, Tr. Am. Ent. Soe. 1873, 355. 

 Illinois, Georgia, Ohio, Washington. 



Cyrtotriplax Maackii, sp. n. 



Ovata, nigra, nitida ; capite thoraceque parce punctatis, hoc 

 convexo, lateribus rotundatis, basi sinuato; scutello punctu- 

 lato; elytris punctato-striatis, interstitiis evidentius punctulatis; 

 abdomine punctulato, linea coxali distincta, metasterno punctu- 

 lato, baud canaliculato, mesosterno punctulato, prosterno processu 

 lato, truncato triangulari, lateribus marginatis, antice epipleiu'is, 

 capiteque lateribus, fortiter rugoso-punctatis. L. 2^ lin. 



Siberia (Maack). 



The coxal line is visible for the intermediate coxae as well. 



Cyrtotriplax erythrocephala. 



Tritoma erythrocephala, Lac. Erot. 226. 



Cyrtotriplax , Crotch, Tr. Am. Ent. Soe. 1873, 356. 



Georgia, Missouri. 



Cyrtotriplax atriventris. 



Triplax atriventris, Lee. J. Phil. (2) i. 71.— Pr. Phil. vii. 162. 



Cyrtotriplax , Crotch, Tr. Am. Ent. Soe. 1873, 356. 



Georgia, Texas, Missouri. 



Cyrtotriplax angulata. 



Tritoma angulata, Say, J. Phil. v. 300. 

 Jiavipes, Lac. Erot. 226. 



