TILLTARD. 163 



Genus E D W A R D S I N A Ales. 

 (Text-fig. 1, a.) 



Alexander, C.P., Arkiv for Zoologi, Bd. 13, No. 7, 1920, p. 2. 



Characters as given in the Key, with the following additions : — eyes dichoptic 

 in both sexes; mandibles in the female rather broad, knife-shaped; labium of 

 primitive Meeopterous form, with separate, two-segniented palps of broad form 

 and with well rounded apices, forming a primitive type of labellum; all three 

 pairs of legs long; wings with a long fork to R2 + 3, M2 indicated either by a 

 stump-vein or a definite kink in Mi + 2, M3+4 broadly forked distally, and con- 

 nected basally with Mi + 2 by its original basal piece, as well as to Cui by m-cu; 

 pedicel short and anal angle prominent. 



Genotype: — E. cliiloisis Alex. (Southern Chile and Patagonia). 



Text-fig. 2:— Heads of a, Edwardsina austratiensis n.sp., 2, (x 20), front view, 

 6, the same, side view, c, Neocurpira nicholsoni n.sp., d 1 , (x 20), 

 front view, d, the same, side view, e, A.pistomyia tonnoiri n.sp., 6, 

 (x 20), front view, /, the same species, ?, front view. 



