838 



Hab. Described from ciiilit inab's from Fiji, four males 

 and one female from .lava iiiid one male from Formosa (Mnir). 



D. nifjripcnnis sj). nov. PI. VI, fig, 55. 



^ Vertex square; face twice as long as broad, slightly narrowed 

 between eyes, sides subparallel; antennae reaching to the middle of 

 clypeus or a little beyond, second joint 1.7 times the length of first; 

 frontal carina forking at extreme base; lateral pronotal carinae 

 slightly divergingly curved, not reaching hind margin of pronotum; 

 first tarsal joint about equal to the two others together, spur not 

 quite as long as first joint, moderately wide, with small teeth on 

 hind margin. 



Light buckthorn brown or ochraceous buff, fuscous over thoracic 

 pleura, on abdominal sternites and ventral half of pygophor. Teg- 

 mina shiny black or dark chocolate, veins concolorous, without gran- 

 ules. Genitalia figured. 



Length 2 mm.; tegmen 1 mm. 



Hab. Formosa, Daimokko (Muir, January, lOlG). 



TROPIDUCHINAE. 



Ommcdissus Fieb. 



Dr. j\Ielicbar* has questioned the status of Ommatissus 

 lofouensis JMuir and 0. cJiinsanensis Muir from China, partly 

 on account of the geographical distribution ; the only other sjie- 

 cies of the genus being found in Andalusia, Spain. 1 have not 

 seen specimens of 0. hinoiatus Fiel)., but the two Chinese spe- 

 cies agree with Fieber's figures and descriptions so closely that 

 I cannot change my opinion. In the Chinese species the me- 

 dian vein forks at the cross-veins instead of near the apex ; the 

 face is slightly broader; in 0. cJiinsanensis Muir the clypeus in 

 profile is slightly more arcuate and in 0. lofouoisis Muir still 

 more so, but these slight differences are not sufficient to create 

 a new genus on. The male genitalia sepai-atc the three species. 



Neoiiiiiiafissus M nil'. 



I can find no good charactei-s upon which to se])arate *s7r/ro- 

 toides Distant from this genus. I ])laced this, along with 

 Ommatissus Fieb, among the Cixiids as the hitter holds that 

 position in Oshanin's Catalogue. They both possess the hair- 

 line dividing off the posterior angle of the niesonotum. 



* ]\Ion. Tropiduchinae, Verb. Ver. Briin, 1914. 



