EEVISION OF THE GENUS COPKOPORUS — BLACKWELDER 7 



Lectotype. — Miis. Comp. Zool. no. 6498. Bears only a small pink 

 square. 



Localities refresented. — In the present collections are specimens 

 from Florida, Maryland, Virginia, Louisiana, Tennessee, Ohio, Dis- 

 trict of Columbia, Alabama, Texas, and Kansas. It has been recorded 

 from Mexico and Indiana. 



Rerrmrks. — This is the only species in our region that has the head, 

 pronotum, and elytral disk totally devoid of punctation. It differs 

 from C. lecontei.^ new name {punctipennis of LeConte), also in the 

 development of the mesosternal carina, the lateral impression of the 

 elytra, the inflection of the epipleurae, and minor characters of the 

 eighth abdominal segment. 



COPROPORUS SPARSUS, new species 



Piceous ; antennae, trophi, and legs testaceous. Head oval, slightly 

 transverse, obtusely triangular in front; surface shining, impunctate 

 above. Antennae not quite so long as head and prothorax, gradu- 

 ally expanded but only the ninth and tenth transverse, together as 

 long as the eleventh. Gula broad, narrowed at middle. Maxillary 

 palpi stout, fourth segment a little longer than third, about as large 

 at base, conical. Pronotum smooth, shining, impunctate. Mesoster- 

 num moderately carinate posteriorly. Elytral surface uneven but 

 shining, sparsely and irregularly but distinctly punctured; flattened 

 at sides but not distinctly concave ; epipleurae inflexed almost against 

 the inner face of elytra. Abdomen feebly margined, strongly 

 retracted, sparsely but coarsely punctured throughout, strigulate. 

 Male unknown. Eighth tergite of female with four long, slender 

 lobes, the median pair a little longer; eighth sternite with six lobes, 

 the median pair longer and each bearing two curved spinules. 



Type locality. — Fort Grant, Ariz. 



Types. — Holotype (a female from Fort Grant, Ariz., 12.7, collec- 

 tion of Hubbard and Schwarz), U.S.N.M. no. 51076; one paratype 

 (same data) in the collection of the writer. 



This species was recognized as new by Schwarz and was so labeled 

 by him in the Hubbard and Schwarz collection. 



COPROPORUS INFLATUS (Horn) 

 1877. Erchomus inflatus Horn, Traus. Amer. Ent. Soc, vol. 6, p. 107. 



Piceous to rufopiceous; base of antennae, trophi, and legs testa- 

 ceous; elytra and sides of pronotum generally rufous. Head trans- 

 verse, abruptly narrowed before the eyes but produced at middle and 

 not declivous; surface shining but distinctly strigulose, impunctate; 

 gula wide but strongly narrowed at middle, smooth and convex ; sur- 



