206 



166. H. silvcstris sp. nov. 



Dark olivaceous-brown; legs &c., brownish-testaceous. Teg- 

 raina concolorous, subhyaline, veins opaqae. Wings more hy- 

 aline. 



Length to apex of closed tegmina 2 mill. 

 Oahu, Tantalus, 2000 ft. (Perkins). 



I know of this sombre little species only a single specimen 

 kindly lent to me by Dr. Perkins. 



167. Trioza iolani Kirkaldy. This forms galls on Ohia lehua 

 ( Nani ( = Metrosideros) sp.Ty* on Tantalus, Palolo, and Kona- 

 huanui ridges, from 1200 ft. upwards. The type was from 

 Kauai. 



Family Aphidae 



168. Aphis rosae Linneus. 



169. Loxer ates sacchari (Zelmtner). 



170. L» brassicae (Linneus). 



171. My2«s citricidtis Kirkaldy. 



172. Myzocallis kahawaluokalani Kirkaldy. 



My thanks are due to Dr. Perkins for much information re- 

 lative to type and type localities. I have examined the collections 

 of Dr. Perkins and Messrs. Terry, Swezey andGiffard, and tender 

 these gentlemen my thanks. N. B. nos. Ilia & 111b, included 

 after the manuscript was completed, bring up the total to 174. 



The new species &c. described in this paper are as follows: 



Metrarga lanaiensis sp. nov. 



M. contracta var. picea nov. 



M. nuda var. mauiensis nov. 



Nesoclimacias subg. nov. of Metrarga. 



Nesocryptias subg. nov. of Metrarga. 



Nesomachetes subg. nov. of Reduviolus. 



Reduviolus atrogans sp. nov. 



R. tfucwlentus sp. nov. 



R. nttbigenus sp. nov. 



R. kaonohiula sp. nov. 



R. montivagus sp. nov. 



R. silvicola sp. nov. 



R. monticola sp. nov. 



R. procellaris sp. nov. 



