176 ENTOMOLOGICAL NEWS fxxxii, '21 



narrow and indistinct longitudinal brown stripes : femora brownish 

 yellow with a narrow brown sub-terminal ring; wings subhyaline with 

 an abundant pale gray dotting in all the cells. 



$ . Length 5.5 mm. ; wing 6.3 mm. $ . Length 6.5-7 mm. ; wing 7.8-8 

 mm. 



Rostrum and palpi dark brown. Antennae dark brown ; in the 

 male specimens available the flagella are broken and the nature of the 

 pectinations cannot be described ; in the female the flagellum is submonili- 

 form to short unipectinate, each segment with a conspicuous pedicel, 

 this latter paler than the remainder of the segment. Head dark gray, 

 the vertex with an indistinct brown median line. 



Mesonotal praescutum grayish brown, more buffy laterally, with dark- 

 brown stripes ; a broad median stripe that is narrowly and rather indis- 

 tinctly bisected, in many cases these stripes entirely interrupted near 

 midlength ; lateral stripes shorter and narrower ; remainder of mesono- 

 turn more brownish plumbeous, the scutal lobes a little darker, the 

 scutellum pruinose ; postnotum not darkened as in the somewhat simi- 

 lar R. shannoni. Pleura buffy with two narrow and somewhat indistinct 

 dark brown longitudinal stripes. Halteres pale, knobs dark brown. 

 Legs with the coxae and trochanters pale yellow ; femora brownish yel- 

 low with a narrow dark brown subterminal ring ; tibiae brown, the tips 

 very narrowly and indistinctly darkened ; tarsi brown, the terminal seg- 

 ments black. Wings subhyaline with an abundant pale gray dotting in 

 all the cells ; slightly darker spots at the origin of Rs, tip of Scl and at 

 stigma; the dots in the costal cell number only three or four; cell 1st 

 M2 has but few dots; veins yellow, darker in the infuscated areas. 

 Venation : Sc moderately long, Scl extending to about opposite one- 

 fourth the length of Rs, Sc2 at the tip of Scl ; Rs long, strongly angu- 

 lated at origin; cell 1st M2 rectangular; basal deflection of Cul close 

 to or before the fork of M. 



Abdomen dark brown, the genital segments paler. 



Habitat: Argentina. Holotypc, $ , Ciudad, Jujuy, May 22, 

 1920 (V. Weiser). Allotopotype, 9. Paratopotypes, 65$. 



Epiphragma annulicornis new species. 



Related to E. circinata Osten Sacken ; antennae annulate dark brown 

 and yellow; head gray; mesonotal praescutum dark brown, the three 

 discal stripes buffy, confluent; pleura gray, longitudinally striped with 

 dark brown ; femora with a narrow dark brown subterminal ring ; wings 

 pale yellowish with an abundant ocellate brown pattern. 



$ . Length 11.4 mm. ; wing 12 mm. ; antenna about 4.8 mm. $ . Length 

 10.5 mm.; wing 10.5-10.8 mm. 



Rostrum and palpi dark brown. Antennae elongate in both sexes, 

 but more so in the male; first flagellar segment dark brown, sparsely 

 pruinose; second segment reddish brown; first flagellar segment yellow, 

 cylindrical; remaining segments of flagellum dimidiate, the base of each 

 dark brown, the apex yellow ; only on the terminal segments are the seg- 

 ments more uniformly infuscated. Head gray; vertical tubercle slightly 

 infuscated; frons in male very narrow. 



Pronotum buffy yellow, dark brown medially. Mesonotal praescutum 

 deep velvety brown, this color restricted to the margins of the sclerite, 

 the disk almost entirely occupied by three broad confluent buffy stripes, 

 the intermediate stripe split by a capillary pale brownish gray line ; the 

 usual praescutal inter-spaces are likewise narrowly pale brownish gray : 

 scutum buffy, each lobe with a dark center ; median line of scutum with 

 a capillary brownish gray line; scutellum gray pruinose with a capil- 

 lary median brownish gray line; a pit on either side of median line of 



