PHYTOPHAGOUS COLEOPTERA FROM NEW GUINEA 473 



basal depression, deeply and strongly punctured at tlie anterior 

 portion, the rest finely punctate. 



Paumomu River. 



One of the smaller species and to be separated by the epi- 

 storne which does not form a single piece with the front, its 

 nearly straight anterior margin, the even punctuation of the 

 thorax and the unarmed femora, all these characters not l)eing 

 found united in any of the species described by Baly or since. 



5. ]No<iostoiiia minutiiiii, sp. n. 



Black, shining, the lower joints of the antennae flavous, tho- 

 rax subconical, strongly punctured, elytra deeply punctured, the 

 interstices acutely longitudinally costate, legs very elongate. 



Length 1 V2 niillim. 



Head finely punctured, the vertex with fine longitudinal sfri- 

 gge, episteme not separated from the face, antennae with the 

 apical joints more or less piceous, the lower three or four joints 

 flavous, the third and fourth equal, small, the following two 

 more triangular in shape but not longer, second joint thickened 

 and slightly longer than the third, thorax subconical, the sides 

 strongly deflexed, the surface very strongly and closely punctu- 

 red ; elytra much wider at the base than the thorax, the shoul- 

 ders prominent, the apex pointed, the surface very strongly and 

 closely longitudinally costate, the interstices closely punctured, 

 legs very elongate, the anterior femora with a minute, the po- 

 sterior ones with an acute, longer tooth, claws appendiculate. 



Ha veri, Moroka. 



This is the smallest species of the genus I am acquainted 

 with, of shining black coloration and with strongly costate elytra; 

 the concave anterior margin of the thoracic episternum and the 

 emarginate apex of the tibiae as well as the appendiculate claws 

 are typical of the genus. • 



6. Oleoriiia semipiii-purea., sp. n. 



Bluish-black below, the lower three joints of the antennae 

 fulvous, thorax dark blue, strongly and closely punctured, ely- 



