EMIBIO'PTERA OF THE NEW WOKI.D ROSS 



429 



Terminalia (figs. 47-49) with iifcual generic structure. 10 LP (fig. 

 49) short, apical cleft as long as base, inner "talon" curved outward 

 at base, thence straight, cleft broad, outer membranous portion "thumb- 

 like", with regular outlines. Tip of 10 RPi a stout, ventrally directed, 

 sclerotic, darkly pigmented "talon." Composite left paraproct 

 (LPPT+LCB) without a prominent point on inner margin; apical 

 margin submembranous, developed submedially as a domelike nodule 

 which is densely microechinulate ; outer apical angle narrowly 

 produced partially around base of LCi. 



Female. — Unknown. 



Holotype. — Male, on slide, deposited in the Museum of Compara- 

 tive Zoology, from Villa Rica, Paraguay, March (F. Schade). 



51 "--^^ -^ 50 



Figures 46-49. — Pararhagadochir confusa, new species, holotype male (Paraguay): 46, 

 Head; 47, terminalia (dorsal); 48, terminalia (ventral); 49, detail of 10 LP. 



Figures 50, 51. — Pararhagadochir schadei, new species, holotype male (Paraguay): 50, 

 Head; 51, detail of 10 LP. Explanation of symbols on p. 403. 



Paratypes. — Five topotypic males, on slides, collected during Octo- 

 ber, December, January, and February. Deposited in the Museum 

 of Comparative Zoology and in the writer's collection. 



Other records. — ^Davis (1940a), under the name avgent'ma (Navas), 

 records this species from Argentina — "Chaco de Santa Fe : Las Garzas, 

 Bords du Rio Las Garzas, 25 kil. O. [W.] d'Ocampo, E. R. Wagner, 

 1903 (2 males in Paris Museum)." 



P. confum is a member of the hiraheni-tenuis-davisl series, having 

 a unicolorous thorax, and may be distinguished by the shape of the left 

 tergal process (compare figures), its lighter color, and numerous 

 morphological details. 



