1 86 ENTOMOLOGICAL NEWS. [June, 



tinct ventral notch and a dorsally inserted, two-jointed, bare 

 arista. Front excavated behind the antennae, with the usual 

 bristles; palpi of moderate size, incumbent; proboscis not very 

 prominent; inferior orbit conspicuously bearded. Thorax rather 

 deep and long, convex above, with a slight but distinct depres- 

 sion in front of the scutellum. On either side of the dorsum 

 there is a row of long bristles, and between these rows there are 

 several series of small weak bristles. Posteriorly there is a large 

 and conspicuous bristle on either side of the prescutellar depres- 

 sion ; scutellum bare, with the usual four bristles. Abdomen 

 with five visible segments in both sexes, short, somewhat flattened 

 dorsoventrally, especially in the female; hypopygium embedded. 



Pnrhijdrophorns canescens % ; a, face of % ; 6. face of 9 • 



but with its appendages frequently exserted and visible. The 

 most prominent of these consist anteriorly of two pairs of slender 

 hook-like processes directed downwards and forwards, and pos- 

 teriorly of a median spoon-shaped structure which is directed 

 downwards and backwards; middle and hind legs slender, much 

 longer than the fore legs ; fore femur enlarged throughout its 

 length in the male, with a broad deep notch near the apical end, 

 and a series of spine-like bristles along the under surface near 



