449 



Key to the Si'kcies. 



.v. Forc'wiuiis livaliiic, not i-oIoihmI nor cloiidcd. 



1>'. rxxlv straw-vi'llow or pale orauiic colored; winu- veins 

 and body snrfaeo witli loni-- setae; ]ivini>' in ,i>alls on 

 leaves of /V/crt. Oahn. If. pcrlriiisi Kirkaldy. 



B-, ])odv brown oi- hiaek ; winii,' veins and body snrface with 

 shoi-t setae. Hawaii. ' //. IniaViiut n. «V). 



A'-. Forewino-s colored, not transparent. 



B^ Forewing's nearly nil brown or black; body black, dor- 

 snni reticnlately marked. Oalin. 



JI. sUvcfifrh Kirkaldy. 



]>-, Forewings irregnlarly maculated or clonded with lirown. 



C^ jSTotum more or less .variegated brown and reddish or 

 orange ; genal cones 2-3 as long as vertex ; wing veins 

 with moderately long setae ; wing nearly all In-own or 

 black. Oahn. 11. moiificoJa Kirkaldy. 



C-. iS^otum mostly brown or Idack ; genal cones 1-3 as long 

 as vertex or less ; wing veins with very long setae (see 

 wing pattern in fignre). Hawaii. //. giffardi n. sp. 



lie rait era peril its I Kirkaldy. 



Length of body 0.8 to 1.4 mm.; length of forewing 1.7 to 2.3 mm. 

 General color pale lemon 3'ellow to orange red, vertex and dorsulum 

 sometimes a little darker ; antennae often brownish on distal half or two- 

 thirds; tarsi dark. Body surface covered sparsely with stiff hairs. 



Head nearly as broad as mesothorax, much narrower than meta- 

 thorax, small, deflexed ; vertex half as long as broad, deeply impressed 

 discally on each side of median suture, with several very long stiff hairs 

 near each posterior ocellus ; genal cones not quite as long as vertex, 

 conical, subacute, somewhat divergent and sparsely hirsute. Antennae 

 about as long as or a little longer than width of head, slender, with 

 several moderately long setae on apical third. 



Thorax broad, not much arched, sparsely hirsute ; pronotum short. 

 Legs rather large, femora large ; hind tibiae with 5 to 7 short black 

 spines at apex; tarsi thick. Forewings hyaline, clear or slightly fumate 

 or ochreous, veins setiferous; first marginal cell a little larger tlum 

 second, latter variable in size. 



