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short, dark hairs ; basal segment with the lateral bristles well de- 

 veloped, and more or less evidence of a grey apical tomentose 

 band, possibly partly worn off in the specimen described; geni- 

 talia yellowish apica!ly. Length 4 mm. 



HAB. Oahu, Honolulu; a specimen taken in the mountains 

 by Mr. O. H. Swezey. It is a most distinct species, possibly 

 ]>arasitic on the common little green Delphacid that frequents 

 the Frcycinctia. 



31. P. Jiawaiiciisis, sp. nov. 



Very closely allied to P. swezeyi, from which it differs as fol- 

 lows: the basal joints of the antennae are ferruginous, as seen 

 laterally, not dark brown or piceous; the mesonotum is very dis- 

 tinctly covered with greyish tomentum at the sides in front as 

 also is the scutellum'; the small cross-vein is rather nearer the 

 base of the discal cell, and the wings are of a more yellow tint. 



Abdomen fuscous, and distinctly aeneous, the basal segment 

 and sides of the others with grey tomentum, the surface hardly 

 shining, except towards the apex of the 'body. Legs as in the 

 preceding, but the posterior tibiae with two or three specially 

 developed bristles on the median dilatation outwardly. Length 

 4 mm. 



HAB. Hawaii; one specimen taken some years ago in a gulch 

 in the Hamakua district. 



32. P. molokaieiisis Grimsh. 



P. molokaieiisis Grimshaw, Fauna Hawaiiensis V^ol. HI, Pt. i, 

 p. 17. 



HAB. Molokai; it was common in the forest in 1893 but I 

 only took two or three specimens. 



33. P. nigrotarsatits Grimsh. 



P. nigrotarsatits Grimshaw, loc. cit. p. 18. 



HAB. Kona, Hawaii, 4000 feet. 1 have some suspicion that 

 this may be identical with P. juvator described above, but none 

 of the specimens of the latter seem to cjuite agree with it. 



34. P. rotiindipcniiis Grimsh. 



P. rotundipcnnis Grimshaw, loc. cit. supra. 

 HAB. Kilauea, Hawaii, 1896. 



