I'JLYTOPHAGA FRO.M SUMATRA '^80 



it will however enter the first group of Chapiiis' arrangement, 

 the Iphimemae on account of the structure of the thoracic epi- 

 sternum ; Chrysolampra seems to be the nearest allied genus , 

 from which and any other of that group , the present insect 

 (litters in the long second joint of the antennae and the tooth 

 at all the femora. The structure of the antennae and the entire 

 posterior tibiae separates the genus from Xodustomn. 



l'i. Arnobiopsis bicolor, n. sp. — Black, the head, antennae, 

 thorax, scutellum and the base of the femora rufous, head and 

 thorax remotely punctured, elytra punctate-striate, the punctures 

 very tine below the middle, the knees, tibiae and tarsi, black. 



Length 3 lines. 



Head remotely l)ut rather strongly punctured , the clypeus 

 not separated from the face, its anterior edge semicircular, eyes 

 entire, labrum fulvous, mandil)les black, antennae not extending 

 to the middle of the elytra, pale fulvous, the basal joint dilated, 

 short, the second rather longer than the third joint, fourth and 

 following joints elongate, not thickened; thorax one half broader 

 than long, subcylindrical or somewhat subquadrate, the sides 

 slightly and evenly rounded, the angles produced into a small 

 tooth , the surface rather convex , strongly but remotely and 

 unevenly punctured, rufous; scutellum slightly longer than inroad, 

 rufous; elytra broader at the base than the thorax, with a 

 transverse depression below the base, strongly punctate-striate 

 anteriorly and at the sides, the punctures very fine towards the 

 apex, the colour deep black, shining, below and the knees, tibiae 

 and tarsi black, the two basal thirds of the femora rufous, the 

 anterior tibiae slightly curved and dilated at the apex, third 

 tarsal joint deeply bilobed ; prosternum subquadrate , slightly 

 widened at the l)ase, the latter truncate. 



Hab. Si-Rambé , March and December. 



The three specimens containeil in this collection do not differ 

 in any way from each other. 



14. Nodostoma atripes, n. sp. — Black, the basal three joints 

 of the antennae and the head more or less fulvous, thorax deeply 

 and remotely })uiu'tured. augniate below the middle, elytra dark 



