512 MEMOIES OF THE CARNEGIE MUSEUM 



Tribe II. Tetrastichini. 



Genus TRICHOPOEUS Forster. 

 Trichopoeus colliguaya (Philippi). 

 Exurus colliguaya Philippi, Stettin, ent. Zeitg., XXXIV., 1873, p. 296; T. 1. — Dalla 

 Torre, Cat. Hym., V., 1898, p. 159. 



Chile. 



Teichoporus melleus, sp. nov. 



Female. — Length 1.8 mm. Honey yellow, punctate, the eyes brown, the abdo- 

 men with a blackish spot on each side near the middle, the scape and legs pale yel- 

 lowish ; flagellum long, filiform, hairy ; wings hyaline, the veins pale yellowish. 

 The abdomen is cylindrical, pointed at apex and as long as the head and thorax 

 united. 



Male. — Length 1.4 mm. Agrees in color with the female except that the 

 blackish spots near the middle of the abdomen unite and form a transverse band, 

 while the veins in the front wings are brownish. The flagellum is long and the 

 hairs are much longer than in the female. 



Brazil : Santarem ; Chapada. 



Teichoporus viridicyaneus, sp. nov. 



Female. — Length 2-2.6 mm. Metallic bluish-green to blue, punctate; scape, 

 trochanters, apices of all femora, and all tibiae and tarsi, except the last joint, pale 

 yellowish ; flagellum broAvnish-yellow, pubescent ; wings hyaline, the veins yel- 

 lowish. The abdomen is long, cylindrical, twice as long as the thorax, pubescent, 

 the first and second body segments about equal, shorter than the third, the first 

 segment longer than the third, the sixth and seventh short, the seventh conical. 



Male. — Length 1.4-1.5 mm. Agrees well with the female, except in the usual 

 sexual differences and in a slight difference in the color of the antennse and legs : 

 The flagellum is darker with longer hairs and with only one ring-joint, while the 

 front and middle femora are dusky only at base. The abdomen is cylindrical, a 

 little longer than the head and thorax united. 



Brazil : Chapada, in April. Fourteen females, six male specimens. 



Teichoporus persimilis, sp. nov. 



Female. — Length 2.8 mm. Metallic brown black, punctate, the abdomen brown 

 beneath ; flagellum brown, hairy ; scape, pedicel and legs, including the coxae, honey 

 yellow, the femora more or less dusky or brownish, especially basally ; otherwise it 

 is very similar to T. viridicyaneus except that the first body segment of the abdomen 

 is twice the length of the second. 



Brazil : Chapada, in April. Two specimens. 



