NEW PHYTOPHAGOUS COLEOPTERA 39 



scure dark fulvous; el}'tra metallic greenish aeneous, strongly 

 and closely seniipunctate-striate. 



Length 1-1 Y2 line. 



Head broader than long, impunctate, deeply transversely 

 grooved between the eyes; frontal tubercles broad, strongly 

 raised and transversely placed; eyes rather large and prominent; 

 labrum fulvous, palpi testaceous; antennae scarcely half the 

 lenght of the body, testaceous, the last 2 or 3 joints fuscous; 

 second joint ovate , thickened , third and fourth joints equal, the 

 last 3 more dilated; thorax transversely subquadrate, one half 

 broader than long, the sides perfectly straight, posterior margin 

 very shghtly rounded; anterior angles obliquely shaped , surface 

 rather convex , entirely impunctate , dark fulvous , shining ; scu- 

 tellum of the same colour; elytra subquadrate-ovate , deeply 

 depressed below the base, the latter distinctly swollen; the 

 punctuation rather strong and arranged in close longitudinal 

 rows, the interstices near the sides slightly longitudinally co- 

 state; near the apex the punctuation is much finer, the metallic 

 green or greenish aeneous colour changes towards the sides 

 gradually to a more fulvous tint; underside and posterior femora 

 piceous or dark fulvous; legs testaceous. 



Sumatra, Mt. Singalang, July (0. Beccari). 



Erystus, n. gen. 



Body broadly ovate; eyes entire;- palpi slender, subfiliform; 

 antennae rather short and robust, nearly all the joints with the 

 exception of the first, of equal length; thorax narrowly trans- 

 verse, the sides strongly rounded; scutellum small ; elytra semi- 

 depressed and dilated , regularly punctate-striate , the interstices 

 . costate ; their epipleurae very broad , concave , posterior femora 

 strongly incrassate; tibiae short, dilated at the apex, the four 

 anterior ones unarmed, the posterior with a small spine; their 

 dorsal surface obsoletely chanelled; tarsi broad and short, nearly 

 equal in length; claws appendiculate ; prosternum rather broad, 

 obsoletely carinate; anterior coxal cavities closed. 



