178 BULLETIN 182, UNITED STATES NATIONAL MUSEUM 



3. OSORIUS CRENULIFRONS Notman 



Osorius crenulifrons Notman, 1925, pp. 9, 15, 18. — Scheerpkltz, 1933, p. 1133.— 

 Darongton, 1937, pp. 286, 289, 291, 292. 



Description. — Rufopiceous. Head about five-sixths as wide as 

 pronotum; eyes relatively very prominent; clypeus truncate, very 

 unevenly crenate, angles indefinite; labrum appearing emarginate 

 though straight below the declivity, alutaceous; antennae slender; 

 with sparse fine punctures obscured by the strong dense alutaceous 

 ground sculpture. Pronotuvi about one-fifth wider than long, feebly 

 narrowed posteriorly, base nearly as wide as apex; sides feebly 

 arcuate and sinuate; lateral margin scarcely widened posteriorly; 

 with a vague impression at midline in part; with moderately fine 

 punctures separated by three to four times their diameter, obsoletely 

 alutaceous. Elytra barely wider than pronotum, a little longer than 

 wide, sides rather strongly arcuate; coriaceous; impunctate. Abdo- 

 men alutaceous, scarcely punctate. Anterior face of front tibin with 

 scattered setigerous punctures. Length, 9 mm. 



Type locality. — Cuba, San Diego (de los Banos, Pinar del Rio 

 Province). 



r?//)e,9.— Holotype, U.S.N.M. No. 26344. 



Records. — The following is the only record known to me : 



Cuba: San Diego de los Banos (Notman, 1925; Darlington, 1937; U.S.N.M.). 



Specimens exainined. — ^I have examined the type, the only speci- 

 men known. 



Remarks. — This species is very similar to salutator of Darlington 

 but may be distinguished by characters noted under that species. 



I find no record of its habits. 



4. OSORIUS FRATELLUS Darlington 



Osorius fratellus Dabungton, 1937, pp. 2S6, 291. 



Description. — Piceous, pronotum, and elytra rufescent. Head 

 seven-eighths to nine-tenths as wide as pronotum ; eyes scarcely at all 

 prominent ; clypeus truncate, coarsely crenate, angles not very promi- 

 nent; labrum very slightly emarginate, alutaceous; antennal segments 

 not transverse ; with p few coarse punctures and sparse finer ones ob- 

 scured by dense alutaceous ground sculpture. Pronotum widest at 

 anterior third, moderately narrowed behind, one-fourth wider than 

 long, base nearly as wide as apex; margin moderately expanded near 

 base; with scarcely a trace of midline; with very sparse fine punctures 

 and dense alutaceous ground sculpture. Elytra not narrower than 

 pronotum, about as long as wide; narrowed to base and to apex from 

 apical third; humeral margin feeble; with a few large setigerous 

 punctures; coriaceous. Abdomen feebly alutaceous; above with only 



