74 THE CANADIAN ENTOMOLOGIST. 



NOTES ON THE CHALCIDOID TRICHAPORUS FOERSTER 

 OF THE FAiVHLY EULOPHID/E, WITH DESCRIP- 

 TION OF ONE NEW NORTH AMERICAN 

 FORM FROM ILLINOIS. 



BY A. ARSENE GIRAULT, BRISBANE, AUSTRALIA. 

 (Continued from page 52.) 



Family Eulophidiie. 



Subfamily Tetrastichinae. 



Tribe Tetrastichini. 



TrichapoJiis Foerster, novum Ashmead, 1904. 



{Type : Trichapoiiis nielletis Ashmead.) 



1. Trichaporus melleus Ashmead. 



Ashmead, 1904, p. 512. 



'' Trichoporus melleus, sp. nov. 



''Female: Length, 1.8 mm. Honey yellow, punctate, the eyes b'-own, 

 the abdomen with a blackish spot on each side near the middle, the scape 

 and legs pale yellowish ; 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 colour 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." 



Type in the Carnegie Museum, Pittsburgh, Pennsylvania. 



2. Trichaporus viridicymieus Ashmead. 



Ashmead, 1904, p. 512. 



" Trichoporus viridicyaneus, sp. nov. 



" Female : Length, 2-2.6 mm. Metallic bluish green to blue, punc- 

 tate ; scape, trochanters, apices of all femora, and all tibiae and tarsi, 

 except the last joint, pale yellowish; flagellum brownish yellow, pubescent; 

 wings hyaline, the veins yellowish. 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 colour of 

 the antenn^-e and legs. The flagellum is darker, with longer hairs, and 

 with only one ring-joint, while the front and middle femora are dusky only 



March, 1912 



