PROCEEDINGS. 1!)1S 31 



aa. Antennal segment 4 white or yellow or partially shaded brown, 

 e. Fir.st few abdominal segments yellow in colour, 

 ee. Abdominal segments unicolorous or first few segments 

 only slightly lighter to the prevailing colour, 

 f. Antennal segment 4 wholly -white or yellow or shaded 

 l)rown only at the extreme apex, 

 g. Fore-wing with brown area along the greater part 



of the costal margin -.tiliae 15agnall. 



gg. Fore-wing with longitudinal black band along- 

 posterior margin, which broadens in the second 

 fifth to nearly the costal margin. Length of body 

 1.5 mm.; colour blackish-brown; head not trans- 

 versely striate ; antennal segments 6-9 together 



equal to segment 5 crassus Hood. 



ff. Antennal segment 4 with basal half white or yellow, 

 a.pical half shaded brown or black. 



h. Antennal segment 3 more or yellowish-white 

 throughout. Length of body 1.5 mm.; colour 

 blackish-brown ; antennal segment 4 pale 

 yellowish-white in basal half; ocelli more than 

 twice the diameter of facets of eyes ; antennal 

 segments 5-9 together very slightly longer 

 than 3, the last four segments together nearly 

 as long as 5 ; fore-wings basal fifth and apex 

 white, remainder dark brown-grey, except a 

 white spot occupying costal half of middle 



fifth annectans Flood. 



hh. Antennal segment 3 with extreme tip brown 

 or l)lack. 



j. Head deeply and closely transversely striate ; 

 length of body 1.5 mm.; colour dark black- 

 ish-brown ; antennal segment 3 yellowish- 

 white, becoming dark blackish-brown at 

 extreme apex; 4 yellowish-white in basal 

 half or third, except dark pedicel, remainder 

 of antenna blackish-brown ; fore-wings 

 with posterior border occupied by a longi- 

 tudinal black band which extends from 

 extreme base, across scale, 'to the tip of 

 wing, with a tendency to form a transverse 

 liand just beyond the basal third. 



vittipennis I food. 



jj. Head, dorsal surface with minute cross 



striations ; length of body 1.7 mm.; colour 



