447 ENTOMOLOGICAL NEWS [Dec, '13 



Paratropeza collaris Osten Sacken (PI. XVI, Fig. 9). 



One $ , from Callanga, Peru. Venation (see Plate xvi, fig. 

 9) ; Rs very strongly arcuated at its origin ; deflection of R 

 4 plus 5 and cross vein r almost in a line ; cross vein r-m ob- 

 literated by the fusion of i? 4 plus 5 on M i plus 2 ; basal de- 

 flection of Cm just beyond the fork of M. 



Paratropeza jactans, sp. n. (PI, XVI, Fig. 10). 



Thoracic prsescutum yellowish with broad brown stripes ; scutellum 

 yellow ; postnotum black ; wings with a narrow brown seam along the 

 cord ; cross vein r-m present ; cell ist M2 closed. 



Male. — Length, 6 mm. ; wing, 6.8 mm. 



Rostrum yellow, palpi brown : antenns with the basal segment brown- 

 ish yellow, the remaining segments brown ; front and vertex brown, 

 darkest on the vertex ; occiput reddish brown. 



Pronotum yellowish brown. Mesonotal praescutum dull yellow with 

 three broad dark brown stripes confluent behind, the median stripe 

 broad, its sides subparallel, the lateral ones very large, occupying most 

 of the caudo-lateral portions of the sclerite ; scutum dull yellow, the 

 lobes with a large rounded dark brown spot; scutellum dull yellow; 

 postnotum dark brownish black. Pleura rich reddish yellow, this color 

 including the sternum. Halteres brownish black, the knob light yellow. 



Legs, coxae and trochanters dull yellow, rest of the legs broken. 



Wings broadest in the region of the cord, subhyaline with a broadly 

 triangular dark brown stigma, a narrow brown seam along the cord 

 and on the outer end of cell jst M2: an indistinct brown suffusion from 

 the origin of Rs caudad across the wing to the tip of 2nd A. Vena- 

 tion (see Plate xvi, fig. 10') : Rs long, very gently arcuated; deflection 

 of 7? 4 plus 5 anterior to the cross vein r: cross vein r-m present, 

 rather long; cell 1st M2 closed; basal deflection of Cui just beyond 

 the fork of M. 



Abdominal tergites dark brownish black with a broad yellowish apex 

 to the sclerites ; sternites yellowish. 



Holotype, $ , Theresopolis. Brazil, in the Hun.cjarian Na- 

 tional Museum. 



Genus Diotrepha Osten Sacken. 



1878. Diotrepha Osten Sacken; Cat. Dipt. N. Am. 



Diotrepha omissinervis, sp. n. (PI. XIV, Fig. 9). 



Wings uniformly grey, Sc long, ending opposite the middle of Rs. 

 tip of Ri atrophied; femoral and tibial apices dark brown. 



Female.— Lcngih, 8.8 mm.; wing, 6 mm.; abdomen, 7.2 mm. Hind 

 leg, femur, 5.8 mm.; tibia, 6.3 mm.; tarsus, 4.6 mm. 



Rostrum and palpi dark brown ; antennae with the two basal seg- 



