464 (88) Mr. G. R. Crotch's Revision of 



Triplax Lacordairii. 



Triplax Lacordairii, Crotch, Entom. v. 7 (1870). 

 ■ ruficollis\, Lac. Erot. 211 (nee Steph.). 



, Bed. Aheille, v. 28. 



England, France, Croatia, Sicily, Algeria. 

 Differs from its allies by its red head and thorax, while the 

 pectus and abdomen are black. 



Triplax russica. 



Silpha russica, L S. N. Ed. x. 360 (1758). 



Triplax , Lac. Erot. 209 (1842). 



, Led. Aheille, v. 29 (1868). 



, Crotch, Entom. v. 7 (1870). 



Europe (from Sicily to Lapland), Caucasus, Algeria, United 

 States (Bedel). 



This is the largest species of the genus and the only one having 

 the pectus alone black beneath. 



Triplax macra. 



Tri2Jlax macra, Lee. Proc. Phil. vii. 161. 



, Crotch, Tr. Am. Ent. Soc. 1873, 357. 



Maine, Illinois. 



Triplax frontalis.* 



Triplax frontalis, Eorn, Proc. Ent. Soc. Phil. i. 188 (1862). 

 Texas. 



Triplax festiva. 



Triplax f estiva, Lac. Erot. 208. 



, Lee. J. Phil. (2) I. 71.— Proc. Phil. vii. 161. 



, Crotch, Tr. Am. Ent. Soc. 1873, 357. 



Southern States. 



Triplax antica. 



Tri])lax antica, Lee. Proc. Phil. 1861, 358. 



, Crotch, Tr. Am. Ent. Soc. 1873, 357. 



Oregon. 



Triplax californica. 



Triplax californica, Lee. Proc. Phil. vii. 161. 



, Crotch, Tr. Am. Ent. Soc. 1873, 358. 



California. 



