4 ARKIV FÖR ZOOLOGI. BAND 13. NIO 7. 



scutum with three dark brown stripes; legs yellow; wings 

 broad with a yellowisli stigmal region. 



Female. — Length about 9,3 mm.; wing, 12 mm. 



Rostrum brownish yellow; palpi yellow, with short black 

 hairs. Antennse with the basal segments orange, the remainder 

 of^ the antennae black with the exception of the extreme 

 base of the third segment which is orange. Head orange- 

 brown, heavily light gray pruinose, especially along the inner 

 margin of the eye; ocellar protuberence conspicuous. 



Mesonotum large, light gray, with three very broad chest- 

 nut-brown stripes; scutum gray, the lobes reddish chestnut; 

 scutellum brownish; postnotum gray. Pleura light gray, the 



i-it*.« 



Wing of Edwardsina chilensia, gen. et sp. n. 



R = radius ; M = media ; Cu = cubitus ; 



A = anal vein. 



dorso-pleural membrane dull yellow. Halteres dull yellow, 

 the knobs dark brown. Legs with the coxse gray; trochan- 

 ters dull yellow; remainder of the legs light yellow, passing 

 into brown on the tarsi; femora longer than the tibise, those 

 of the hind legs being legs being especially long and slender. 

 Wings broad, hyaline, strongly iridescent; a strong yellowish 

 stigmal area between Ri and 7?^; veins dark brownish black. 

 Venation as described and figured (Figure) under the generic 

 characterization. 



Abdomen strongly contracted in the unique type; tergites 

 rich cinnamon-brown with a more or less distinct dorso- 

 median whitish stripe; sternites more yellowish. 



Hahitat. — Chile. 



Holotype, $, Chile (P. Dusen). 



Type in the Riksmuseum in Stockholm. 



