MONOGRAPH OF WEST INDI.^N STAPHYLINIDAE 233 



smooth midline which is grooved posteriorly; impunctate but with 

 moderately dense tubercles throughout; without ground sculpture; 

 pubescence fine. Elytra as wide as long, one-seventh wider than pro- 

 notum ; anteriorly with regular and even punctation or sculpture, but 

 with ground sculpture along suture basally, tuberculi apically, and 

 some indefinite punctures laterally. Ahdoinen very finely densely 

 and indistinctly punctate ; with dense fine pubescence. Male., seventh 

 sternite unmodified; eighth sternite with a triangular emargination 

 four times as wide as deep. Female^ sternites unmodified. Length, 

 21/2 to 23^ mm. 



Type locality. — Trinidad, 5 miles west-southwest of Manzanilla 

 junction on the Plum Road. 



Types. — Holotype, male, and two paratypes, females, U.S.N.M. 

 No. 52394, collectetl by me on December 18, 1935. 



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



Trinidad: Manzanilla (Blackwelder station 104A). 



Specimens examined. — I have seen only the three types. 



Remarks. — This species is distinguished by the simple male charac- 

 ters and the structure of the labrum. It belongs in the subgenus 

 Sciocharis as herein defined. 



The types were collected from rotting cocoa pods. 



2. THINOCHARIS BAKERI (Casey) 



SciocTiaris hakeri Casey, 1910, p. 188. — Leng and Mutchler, 1914, p. 405; 1947, 

 p. 1G9.— Blackwelder, 1939, p. 102. 



Thinocharis hakeri (Casey) Beknhauek and Schubert, 1912, p. 228. — Black- 

 welder, 1939, p. 102. 



Description. — Head rufopiceous, pronotum rufous, elytra castane- 

 ous, abdomen rufotestaceous. Head scarcely wider than long; eyes 

 rather large, at about their length from base; sides behind eyes 

 nearly straight and parallel, base nearly straight at sides, slightly 

 emarginate at middle, posterior angles rather prominent; neck one- 

 half as wide as head; gular sutures moderately separated along 

 middle, diverging feebly at both ends; with sparse setigerous punc- 

 tures obscured by dense ground sculpture; labrum not distinctly 

 emarginate but with two small but prominent median denticles. 

 Pronotum one-seventh wider than long, scarcely narrower than head ; 

 widest at anterior angles, feebly narrowed posteriorly, angles all 

 rounded ; with dense but discreet tuberculi throughout, generally with 

 a minute puncture visible on each tubercle; no other punctures or 

 definite sculpture; with very fine and inconspicuous pubescence; with 

 distinct midline, feebly grooved at base. Elytra as long as wide, 

 nearly one-fourth wider than pronotum; not distinctly punctate, but 

 with dense tuberculate sculpture; pubescence fine and dense. Ab- 



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