450 



Abdomen short. ]\Iale genitalia small; anal valve a little longer 

 than forceps, truncate at apex, straight on anterior margin, very convex 

 on posterior margin ; forceps slender, subterete, arched, black-pointed 

 at tips. Female genital segment about half as long as abdomen, thick 

 at base and abruptly converging to acute apex, valves subequal in 

 length. 



Distribution :— Island of Oalin— Mt. Olympus (1800 to 

 2500 ft,), bred from conical galls on leaves of Pelea clusiaefo- 

 lia and P. lydgatei,. August 20, 1917 (Crawford) ; same local- 

 ity on foliage of Pelea (Swezey) ; Wailupe, January 23, 1915, 

 on Pelea (Swezey) ; Mt. Kaala, on Pelea (Swezey). 



TIevaheva silvcstris Kirkaldy. 



Length of body about 1.3 mm.; length of forewing 1.9 mm. General 

 color dark brown to blackish or reddish ; legs and antennae pale, latter 

 yellowish except last two segments dark ; femora and tarsi darker than 

 tibiae; forewings dark brown, with one or two irregular, more hyaline 

 areas. Body surface covered sparsely with stiff hairs. 



Head not quite as broad as mesothorax, much narrower than nieta- 

 thorax, deflexed ; vertex not quite twice as broad as long, with a deep 

 discal depression on each side of median suture, sharply elevated on 

 posterior margin, with a few stiff hairs near posterior ocelli. Genal 

 cones about half as long as vertex, conical, acute, sparsley hairy, scarcely 

 divergent. Antennae not longer than width of head, slender. 



Thorax moderately broad, stiffly pubescent. Legs short, femora 

 thick ; hind tibiae with about six short black spines at apex. Forewings 

 not transparent, rounded at apex, narrow, veins setigerous, radial mar- 

 gin thick. Abdomen short. Male genital segment small ; forceps a little 

 more than half as long as anal valve, slender, terete on basal half but 

 angulate above, apex sharply curved inward and subacutely pointed. 

 Anal valve broad in caudal view, longer than forceps, anterior margin 

 (lateral view) straight and posterior margin convex with greatest breadth 

 sub-basally. Female genital segment short, thick at base, abruptly con- 

 verging to subacute apex. 



Distribution: — Island of Oahu — Mt. Tantalus (Perkins); 

 Kaumuohona (Swezey), 1 female determined by Kirkaldy; 

 Mt. Olympus, elevation 2000 ft. (Swezey) ; Wailupe, January 

 23, 1915 (Swezey); Palolo Hills, on foliage of Pelea rotundi- 

 folia, many males and females. The life habits of this species 

 arc not well known. 



