by rev. t. blackburn. 347 



Metrarga. 



M. contracta, sp.nov. Sat elongata, fusco-brannea, testaceo- 

 marmorata; antennis, pedibusque elongatis ; capite sat crebre 

 punctulato ; pronoto transverse fortius interrupte punctulato, 

 angulis anticis rotundatis ; scutello punctulato ; corii marginis 

 costalis parte basali recta. Long, 9 mm. 



This fine insect rather closely resembles M. nuda, White, in 

 general appearance. The markings are very similar, save that 

 the corium and membrane have a somewbat less mottled appear- 

 ance ; the legs, antennse, and rostrum are all longer ; the punc- 

 turation is somewhat finer throughout ; and the thorax is without 

 the anterior spines, and is evidently shorter. The most striking 

 character, however, is the straightness of the basal part of the 

 costal margin of the corium, the arched dilatation commencing at 

 a distance from the base equal to about a fifth of the length of 

 the whole costal margin. This gives the insect, when the elytra 

 are in repose, a peculiar contracted appearance in the middle. 



I do not observe any remarkable character on the underside of 

 my specimen — which is a female — but I observe that in the 

 female of M. nuda, White, (which sex I was unable to send to 

 Dr. White), the penultimate ventral segment is rather strongly 

 emarginate (in a rounded manner) behind. 



This species occurred among decayed leaves, tfec, on Kona- 

 huanui, Oahu, at an elevation of about 2.500 feet. 



M. ohscura, sp.nov. Ovalis, sordide fusco-brunnea testaceo- 

 marmorata ; antennis, pedibusque mediocribus ; capite prothor- 

 aceque confertim nee fortiter punctulatis ; hoc antice utrinque 

 acute spinoso ; scutello profunde punctulato ; corii margine 

 costali regulariter arcuato. Feminse abdominis segmento pen- 

 ultimo postice vix emarginato. Long. 8 mm. 



This species is closely allied to M. nuda, White, but appears to 

 be really distinct by the following characters: — the colour is 

 more obscure, the puncturation finer and closer, the apical joint 



