BY ARTHUR WHITE. 29 



pubescence. Abdomen black, with anal segment yellow ; 

 first segment covered with grey tomentum, second and 

 third deep black, the former with a broad, the latter 

 with a narrow, pale hindmargin ; fourth, fifth, and sixth 

 segments lightly dusted with grey; anal segment yellow; 

 genitalia retracted and barely extending beyond the anal 

 segment. Legs with the femora orange, bearing a broad 

 black stripe beneath ; tibia? orange, the anterior and 

 middle pairs with a few, the posterior pair with many, 

 black bristles; anterior and middle tarsi yellow, posterior 

 tarsi orange. Wings hyaline with two black, irregular, 

 transverse bands, the first crossing the basal cells, the 

 second extending from the costa to the end of the fourth 

 posterior cell, the two bands being confluent for a short 

 space at the apex of the second basal cell ; there is also 

 a small suffused blackish band crossing the cubital fork 

 towards the wing-tip. 



This species is easily distinguished from P. quatiens by 

 the antenna? being orange instead of black, and by the 

 third joint being longer than the first, instead of vice 

 versa. From P. dioctriceformis it is distinguished by the 

 orange instead of black-brown legs, and from P. pallidi- 

 rornis by the third antenna! joint being distinctly longer 

 than the first, instead of about the same length, and by 

 the colouring being orange with a black tip, instead of 

 uniform pale yellow, by the thorax being black with 

 black pubescence, instead of brown with white pubescence, 

 by the anal segment of abdomen being orange, instead of 

 dark brown, and by the wings being distinctly banded 

 with black, instead of merely tinged with brown. 



P. imitans is only known from a single specimen, which 

 was taken by Mr. G. H. Hardv at Wedge Bav on January 

 3, 1914. 



22. Ectinorrhynchus, Macq. 



This genus is distinguished by having the proboscis pro- 

 jecting prominently forwards, in conjunction with the 

 long, more or less brightly-coloured abdomen, finely banded 

 wings, open fourth posterior cell, and long legs. 



Head short, slightly broader than the thorax. Pro- 

 boscis and palpi projecting prominently forwards, the 

 former more than twice the length of the latter. Antenna? 

 varying in the different species, the first joint short or 

 long, the second very short, the third long and terminated 

 by a very small almost circular style. Thorax much longer 

 than broad. Abdomen long and almost parallel-sided in 

 the male, very long and tapering in the female. Legs 

 very long, particularly the posterior pair. Wings large, 



