PHYTOPHAGOUS COLEOPTERA FROM NEW GUINEA 485 



angles obscure fulvous, tlie disc with an obsolete transverse 

 depression near the basal margin, scutellum broad, triangular, 

 elytra very minutely and closely punctured, yellowish white, a 

 transverse band near the base, not extending lo the sides, an 

 elongate , subtriangular spot below the middle, the apex and 

 the suture, from the middle downwards black; under side and 

 legs black, (in one specimen the anterior coxa3 and the ante- 

 rior and intermediate femora are llavous) posterior tibiae mu- 

 cronate only, claws appendiculate^ presternum narrow, the an- 

 terior coxal cavities open. 



Moroka. 



Quite distinct in coloration than any other species of the 

 genus. 



20. Siitrea, seixiinig'osa, sp. ii. 



Flavous, the abdomen and the posterior femora more or less 

 piceous, head and thorax impunctate, elytra finely rugose or 

 wrinkled, blacky the extreme suturai and lateral margins often 

 obscure dark fulvous or piceous. 



Length 3 72'"^ millim. 



Of oblong, nearly parallel shape, the head ilavous, impunctate, 

 frontal elevations pyriform, antennse scarcely extending to the 

 middle of the elytra, flavous, the terminal two or three joints 

 slightly stained with piceous, the third and following joints elon- 

 gate and slender, nearly equal, thorax twdce as broad as long, 

 of equal width, the lateral margins sHghtly rounded at the 

 middle, the anterior angles oblique, the sides very narrowly 

 margined, the surface transversely convex, impunctate, flavous, 

 elytra with very narrow, reflexed margins, black, the entire sur- 

 face finely wrinkled, of leathery appearance, shining and wi- 

 thout punctures, under side and legs flavous, posterior femora 

 piceous as well as the abdomen, presternum very narrow, an- 

 terior coxal cavities open. . 



Dilo, Rigo (July). 



The peculiar sculpturing of the elytra and their black colour 

 differs entirely from any of the other species placed in this 



