449 



Key to the Species. 



A^ Forewings hyaline, not colored nor clouded. 



B^. Body straw-jellow or pale orange colored ; Aving veins 

 and body surface with long setae; living in galls on 

 leaves of Pelea. Oahu. //. perl'insi Kirkaldy. 



B-. Body brown or black ; wing veins and body surface with 

 short setae. Hawaii. //. hyaVina n. «>d. 



A". ForeAvings colored, not transparent. 



B^ Forewings nearly all brown or black ; body black, dor- 

 sum reticulately marked. Oahu. 



H. silvesfris Kirkaldy. 



B". Forewings irregularly maculated or clouded with brown. 



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 brown or 

 black. Oahu. H. monticola Kirkaldy. 



C^. I^otum mostly brown or black ; genal cones 1-3 as long 

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

 Aving pattern in figure). HaAvaii. H. giffardi n. sp. 



Hevaheva perklnsl Kirkaldy. 



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

 General color pale lemon yellow 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 stifif 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 than 

 second, latter variable in size. 



