KEVISION OF ELEODIINI BLAISDELL. 179 



and vertically triangular; rarely tuberculiforni and sometimes de- 

 flexed. 



The mesosternum is arcuate in different degrees of obliquity and 

 strongly concave. The tibial grooves of the femor are glabrous and 

 more or less concave and distinctly defined, with margins narrowly 

 rounded. Each groove is inwardly attenuate, the anterior scarcely 

 reaching the femoral base, while those of the meso- and metafemora 

 scarcely attain a slight distance beyond the middle. The external 

 surfaces of the tibiae are rounded and more or less obsoletely flattened 

 apically. 



Anterior tarsi slightly stouter in the male than in the female. 



Tarsal formula : 



Pro. Meso. Meta. MetatibiiS. 



Male.— 2 2% 3 44 



Female.— 2 2% 3| 



Subgenus HETEROPROMUS, new. 



Anterior femora mutic. Tarsi slender and spinulose beneath; the 

 anterior of the male not dilated nor thickened, and with a small 

 transverse tuft of golden pubescence on the ventro-apical margins of 

 the first and second joints. Anterior spurs of the anterior tibi?e 

 thicker than the posterior. 



Suhgeneric goiital characters^ male. — Apicale of the edeagophore 

 triangular, surface convex and more or less obsoletely grooved along 

 the median line. 



Female. — Genital segment triangular in outline, setose, not 

 strongly chitinized, dorsal plate not defined from the apex, append- 

 age and fossa obsolete. 



Superior pudendal membrane reaching to the apical third of the 

 dorsal surface of the valves; internal margins of the valves beneatli 

 contiguous in basal fourth. Genital fissure long, evenly fusiform, 

 and not wide. 



Distribution. — Thus far the single species of this subgenus is only 

 known from southeastern Texas — -from counties bordering on the 

 Gulf of Mexico. 



Relationships. — Yeterator appears to be quite isolated in the tribe 

 Eleodiini, in fact in many respects might be considered as constituting 

 a distinct genus. It only resembles Promus (opaca) in external 

 facies and no way suggests to my mind any conception of its 

 ancestral origin. 



ELEODES VETERATOR Horn. 

 Eleodesi retrratnr Horn, Trans. Amer. Ent. Soc, V, 1874, p. 33. 

 Oval, black, opaque, subdepressed above, sparsely clothed with 

 short, recumbent yellowish hairs, and slightly more than twice as 

 long as wide. 



