ASHMEAD: CLASSIl'ICATION OF THE CHALCIl) FLIES 509 



hairs ; the front wings liave the marginal vein long, the stignial vein short, the post- 

 marginal vein not de\^eloped ; otherwise it is similar to Pleuwtropis. 



PeLOROTELUS C(ERULENS, sp. nov. 



3Iak. — Length 1.8 mm. Dark blue, the head and thorax reticiilately puncturod- 

 the middle mesothoracic lolje and the lateral ridges of the metanotum with a metal, 

 lie greenish tinge ; a spot on the knees, extreme apices of tibite and the tarsi are 

 yellowish-white ; mandibles testaceous. The antennee are rather long, ten-jointed, 

 the scape elongate, the funicle four-jointed, the joints rather long, loosely joined, with 

 sparse, moderately long hairs, the la,st joint being fully thrice as long as thick at 

 the middle, the club three-jointed, longer than the first joint of the funicle, the last 

 joint being represented by a little spur. The abdomen is clavate, the petiole, which is 

 attached to the long neck of the metathorax, very long, shagreened, the body smooth 

 and polished. Wings hyaline, the veins pale yellowish. 



Brazil : Santarem, in April. One specimen. 



Genu.s ENTEDON Dalman. 

 Entedon antander Walker. 



Entedon antander Walker, Monogr. Chalc, II., 1839, j). 70, d". — Dalla Torre, Cat. 

 Hym., v., 1898, p. 33. 



Brazil : Bahia. 



Entedon badius Walker. 



Entedon badius AValker, Ann. & Mag. Nat. Hist, X., 1843, p. 115, d'.— Spinola, 



Gay: Hist, de Chile, Zool., VI., 18.")[, p. 433.— Dalla Torre, Cat. Hym., V., 



1898, p. 34. 



Chile : Valparaiso. 



Entedon empekamus Walker. 



Enfrdou emperamm Walker, Monogr. Chalc. II., 1839, p. 70, 9. — DaUa Torre, Cat. 



Hym., v., 1808, p. 36. 



Brazil : Bahia. 



Entedon flacilla Walker. 



Entedon jladlla Walker, Ann. & Mag. Nat. Hist., X., 1843, p. 115. J'.— Bpinola, 

 Gay : Hist, de Chile, Zool., VI., 1851, \). 434.— Dalla Torre, Cat. Hym., V., 

 1898, p. 37. 

 Chile : Valparaiso. 



Entedon uegei.ochus Walker. 

 Entedon hef/elochus Walker, Monogr. Chalc, II., 1839, p. 70, c?. — Dalla Torre, Cat. 

 Hym., v., 1898, p. 38. 

 Brazil : Bahia. 



