506 BULLETIN 182, UNITED STATES NATIONAL MUSEUM 



2. OLIGOLINUS DARLINGTONI, new species 



Description. — Black, pronotum rufotestaceous becoming infuscate 

 apically, base of elytra feebly rufescent, basal two tergites of abdomen 

 testaceous, abdomen sometimes castaneous, basal segments sometimesi 

 picescent. Head from approximately as wide as long to one-third 

 longer than wide, ovate with front truncate or oblong with corners 

 rounded; antennal grooves completely obsolete; ocular grooves obso- 

 lete near eyes, rather feeble on vertex ; not margined or ridged at sides 

 above or beloAv ; with a very few scattered punctures of various sizes ; 

 with very fine but dense and distinct reticulate ground sculpture. 

 Pronotum three-fifths longer than wide ; widest at anterior two-fifths ; 

 sides distinctly emarginate behind; with four pairs of discal punc- 

 tures, the basal pair sometimes missing; midline briefly canaliculate 

 at base ; without distinct ground sculpture but with traces of same type 

 as on head. Elytr^a impunctate except at margins, coriaceous but with- 

 out other sculpture. Abdomen almost impunctate except for marginal 

 setiferous punctures; with only traces of ground sculpture. Length, 

 61/2 to 71/2 mm. 



Type locality. — Dominican Republic, Loma Rucilla and the moun- 

 tains to the north ; elevation 5,000 to 8,000 feet. 



Types. — Holotype and five paratypes in the Museum of Comparative 

 Zoology; four paratypes in the United States National Museum (No. 

 52527) ; collected in June 1938 by Dr. P. J. Darlington. (Part of the 

 paratypes are from the other localities below.) 



Records. — The following are the records known to me : 



Hispaniola: Dominican Republic, Loma Rucilla (Darlington, in M.C.Z. and 

 U.S.N.M.), Valle Nuevo (Darlington, in M.C.Z. and U.S.N.M.), Loma Vieja 

 (Darlington, in U.S.N.M.). 



Specimens examined. — I have seen only the 10 types. 



Remarks. — The differences in the size and shape of the specimens 

 appear to be sexual. The species is readily recognized by its bright 

 colors and their arrangement as well as by the four pairs of discal pro- 

 notal punctures and the dense sculpture of the head. 



I have received no record of the habits of this species except that the 

 specimens were taken in "cloudforest." 



3. OLIGOLINUS FILARIUS (Erichson) 



Leptacinus filarius Erichson, 1839b, p. 334. — Lacordaibe, 1854, p. 69. — K[baatz, 



1858, p. 652.— Sharp, 1876, p. 206 ; 1885, p. 503. 

 Mctoponcus filarius (Erichson) Kraatz, 1856, p. 652. — Sharp, 1876, p. 206; 



1885, p. 503. 

 Oligolinus filarius (Erichson) Bernhaukr and Schubert, 1914, p. 291. 



Description. — Rufopiceous throughout. Head about one-fourth 

 larger than wide, scarcely expanded posteriorly, not prolonged at 



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