4G0 (84) Mr. G. R. Crotch's Revision of 



Cjnrtotriplax humeralis. 



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



Trqylax tceniata, Lee. J. Fhll. (2) i, 71. — Pr. Phil vii. 1G2. 



Yar. Tuficeps, Lee. J. Ac. Phil. (2) i, 72. 



Var. vi'ttata, Lee. J. Ae. Phil. (2) i. 72. 



Var. aulica, Horn, Tr. Ajn. Ent. Soc. 1871, 343. 



Europe, United States. 



Cyrtotriplax biguttata. 



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



basalis, Lac. Erot 225. 



Middle and Southern States of North America, abundant, 



Cyrtotriplax mimetica. 



Cyrtotriplax mimetica. Crotch, Tr. Am. Ent. Soc. 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, haud canaliculato, mesosterno punctulato, prosterno processu 

 lato, truncate triangulari, lateribus marginatis, antice epipleuris, 

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



Siberia (Maack). 



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



Cyrtotriplax erythrooepliala. 



IWitoma erytlirocephala, Lac. Erot. 226. 



Cyrtotriplax ■ , Crotch, Tr. Am. Ent. Soc. 1873, 356. 



Georgia, Missouri. 



Cyrtotriplax atriventris. 



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



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



Georgia, Texas, Missouri. 



Cyrtotriplax angulata. 



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

 Jlavipes, Lac. Erot. 226. 



