ASHMEAD : CLASSIFICATION OF THE CHAIX'Il) FLIES 445 



flagellum being wholly black, the hind coxje have a small black spot near the mid- 

 dle above, the hind femora have a minute spot on the middle of the disk and a V>lack 

 spot at base and apex. 



The abdomen is conically pointed, longer than the head and thorax uniteil, the 

 sheaths of the ovij^ositor and a slender band at base of dorsal segments 3 to 7, black ; 

 the petiole is hardly longer than thick. The hind femora are armed with one mod- 

 erate sized tooth, followed by about eighteen minute black teeth. 



Brazil : (Jorumba, in May. One specimen. 



Spilochalcis rERSiMiLis, sp. nov. 



Female. — Length 4 mm. Yellow ; the thorax marked with black as in previous 

 species, except that the loop is complete, not interrupted before uniting with the 

 median black line posteriorly ; the hind coxne and femora are immaculate. 



The abdomen is conic-ovate, not so long nor so pointed as in previous species, the 

 dorsal segments four to seven brownish or blackish, the petiole being three times as 

 long as thick. The hind femora are armed with about fifteen minute black teeth. 



Brazil : Corumba, in April. One specimen. 



SriI.OCHALCIS HOLLANDI, Sp. lUIV. 



Female. — Length 0.5 nun. Yellow ; the occiput, a line on the scrobes enclosing 

 the front ocellus, a line on the scape above, the flagellum, two median lines on the 

 front face of the pronotum and a line on each side of the dorsum, two broad lines 

 on the middle mesothoracic lobe anteriorly, a spot on the lateral lobes, three trian- 

 gular spots at base of scutellum, the middle one being connected with a central line 

 that extends to and terminates in a spot at the apex of the scutellum, a large 

 rounded spot at base of hind coxse above, the apex of hind coxae, a spot at apex of 

 hind femora, the extreme base of hind tibite and an annulus at the middle, all 

 black. 



The abdomen is conically produced, longer than the head and thorax united, 

 the petiole only about twice as long as thick. The hind fenioni are armed with one 

 large tooth, followed by about eighteen minute teeth. 



Brazil : Santarem. One specimen. 



Named in honor of Dr. W. J. Holland. 



Spilochalcis CORUMB.E, sp. nov. 

 Female. — Length 7.5 to 8 mm. Yellow, marked with black as in S. hoUandi ex- 

 cept that the spots at base and apex of scutellum are not connected by a central 

 Idack line, the hind coXcT? being without the spot at base above, while the apical seg- 



