136 



58 (45) Antennae with the third joint more or less rounded 



and not acutely produced at the apex. 

 5y (6o) Lei^s except the coxae clear yeWow. . . ..vanthociiciiiis. 

 6o (59) Legs largely black, or dark brown anthracias. 



B. Hawaiian species. 



1 (2) Wings without a pigmented stigma 



rutiiiidipciiiiis, Griinsli. 



2 (i) Wings with a pigmented stigma. 



3 (6) Posterior tibiae with some specially developed bris- 



tles on the median dilatation outwardly. 



4 (5) Legs except the coxae entirely pale, yellow 



haivaiicnsis. 



5 (4) Legs largely black on the femora, and the tarsi also 



dark oaJincnsis. 



6 (3) Posterior tibiae without special bristles on the me- 



dian dilatation outwardly. 



7 (8) Legs except coxae entirely pale, yellow s^vcrcyi. 



8 (7) Legs with the femora at least more or less black or 



fuscous. 



9 (12) Hind legs with a more or less distinct median dark 



'band on the tibiae. 

 10 (11) Third joint of antennae, and tarsi pale 



iiiolokaicnsis, GriiusJi. 



TT (10) Third joint of antennae, and tarsi dark 



uigrofarsafiis, Grinish. 



12 (9) Hind legs without a median dark band on tibiae, 



sometimes darkened towards base and apex, but the 

 middle always pale. 



13 (14) Abdomen of male for the most part deep-black or 



blue-black, femora of the female black above for 

 the most part, the base and apex for a short dis- 

 tance yellow jiivator. 



14 (13) Abdomen of male for the most part blackish-fuscous, 



with a slight aeneous tint in some aspects; femora 

 of the female to a large extent yellow, somewhat 

 infuscate, but not black, on the apical half. . .tcrryi. 



