103 



posteriorly, posterolateral angles rounded. Fringe-hairs of wings simple, 

 long. Abdominal bristles sparse, slender, mostly large. 



9 Tube about one half longer than the preceding segment. 



Length about If mill. 



Hab: Oahu, Mt. Tantalus, 1500 feet, under bark of dead tree, 

 in numbers and in all stages (F. W. Terry). 

 Nesothrips gen. nov. 



Allied somewhat distantly to Liothrips Uzel. Flat above, convex be- 

 low. Strongly chitinized, with a shining, polished surface. 



Head dorsally about as long as the pronotum, a little longer than 

 wide, lateral margins subparallel. Antennae about twice as long as head, 

 Ocelli present. Eyes not very prominent laterally. Face long, lateral 

 margins subparallel, then narrowing apically. Pronotum anteriorly as 

 wide as the head, posteriori}'- distinctly wider, warts absent. Flight-or- 

 gans absent. Anterior legs unarmed, femora incrassate, more than twice 

 as long as the tibiae. 



1. oahuensis sp. nov. 



Polished, shining, pitchy-blackish; apices of anterior tibiae, the tarsi 

 etc., paler. Face bristles absent. Antennae 5, 5, 9, 8 J, 8, 6, 8. Two 

 longish bristles (lateral and sublateral) near the posterior margins of at 

 least five tergites. 



9 Tube with 2 terininal bristles. 



Length \l mill. 



Hab: Oahu, Mt. Tantalus, 1300 feet (O. H. Swezey) prob- 

 ably on flowers. 



On Two New Vitian Chermidae [Hem.] 



By G. W. KiRKALDY. 



So far as I am aware, no Vitian Chermidae have yet been des- 

 cribed. Mr. F. Muir recently, in collecting and studying leaf- 

 hoppers and their parasites in that group of Islands, secured two 

 species of the genus Trioza. 



Trioza Foerster. 

 1. vitiensis sp. nov. 

 9 . Vertex obscure testaceous with a narrow blackish brown line down 

 the middle and an obscure spot on each side at the base between this line 

 and the ocelli. Frons orange, the middle ocellus pale yellow, ringed with 

 blackish-brown, the others at the posterolateral angles of the vertex and 

 conspicuously orange. Antennae pale yellow. Eyes red brown. Prono- 

 tum, dorsulum and mesonotum pitchy, with the following yellowish-fer- 

 ruginous marks; dorsulum with a median and a curved lateral line. Meso- 

 notum with 4 lines, the inner curved inwardly, the outer curved outwardly ; 

 scutellum pale with a black median line, abdomen black, genital segment 



