Vol. xxiv] ENTOMOLOGICAL NEWS 4 11 



Pronotum shiny chestnut; mesonotal pnescutum rich yellowish chest- 

 nut, very shiny, in front much darker, brownish, this brown mark ill- 

 delimited ; scutum reddish brown, blackened on the outer cephalic 

 angles of the lobes ; scutellum and postnotum liver brown. Pleura? 

 deep yellowish chestnut without markings. Halteres short, brown. 



Legs, coxae and trochanters brownish yellow, base of femora yellow- 

 ish, soon darkened into brown, tibiae and tarsi brown. 



Wings, yellowish, with distinct brown markings, the whole margin 

 of the wing is brown, rather interrupted at the distal ends of the radial 

 cells where the yellow ground color continues to the wing margin : 

 cord broadly margined with brown. The yellow color is distributed 

 as follows : Most of cells R and M, tip of cell 2nd Ri, most of cell R3. 

 basal half of R5, middle of 1st M2, indistinct spots in the bases of Ml 

 and M3, and a patch in cell Cm. Venation: Costa strongly incras- 

 sated near the end of Sci ; Sci ends opposite the origin of Rs; Rs 

 short, about equal to the deflection of R 4 plus 5 ; inner ends of cells 

 R3, Rs and 1st M2 in a line (see Plate XIV, fig. 7). 



Abdominal segments almost black, each sclerite with a broad pale 

 silvery apex. 



Holotype. $ , Callanga, Peru. 



Paratype, S , Callanga, Peru. 



Types in the Hungarian National Museum. 



Peripheroptera arcuata, sp. n. (PI. XIV, Fig. 8). 



Thorax yellowish, a dark brown median mark on the praescutum, 

 wings with the deflection of R 4 plus 5 strongly arcuated and not in a 

 line with the inner end of cell R5. 



Female. — Length, 5.6 mm. ; wing, 6.8-7.8 mm. 



Rostrum and palpi brown; antennae, basal segments dull yellow, 

 flagellar segments brown ; front and vertex grey, this color continued 

 caudad along the inner margin of the eye, caudal portions of the vertex 

 and the occiput brownish yellow, head not shiny. 



Thorax rich brownish yellow, a little shining, a conspicupus, elon- 

 gate oval, dark brown stripe on the praescutum, this mark truncated in 

 front, more pointed behind ; scutum, scutellum and postnotum dull yel- 

 low, not shiny. Pleurae dull yellow. Halteres light yellowish brown, 

 knobs dark brown. 



Legs, coxae and trochanters light yellow, femora yellowish darken- 

 ing into brown toward the tip, tibiae and tarsi brownish. 



Wings with a faint yellow tinge, most intense along cells C and Sc; 

 stigma indistinct rather small, cord and tip of the wing very indistinct- 

 ly suffused with brown. Venation (see Plate XIV, fig. 8), cross vein r 

 angulated near its middle, strongly arcuated and with indications of a 

 spur ; Rs rather long, not so arcuated as the deflection of R 4 plus 5 

 which is bent almost at a right angle and is much proximad of the 



