Phytophaga Malayana. 85 



ocres ; femoribus modice incrassatis, subtus unidentatis ; 

 tibiis posterioribus quatuor extus ad apicem emarginatis, 

 posticis interdum inttgris ; ungukuUs bifidis. Prosternum 

 oblongum aut oblongo-quadratum, sulcis inter sternum et 

 episterna obsoletis. Mesosternum oblongo-quadratum. 



A. Sides of thorax armed with a row of short teeth, 



1. Demotina serraticollis, n. sp. 



Oblonga, convexa, picea, subopaca, sat dense squamosa, pedi- 

 bus antennisque rufo-piceis ; thoracis margine laterali serrato; 

 elytris striato-punctatis, squamis fuscis et sordide albis varie- 

 gatis, setis erectis piceis nonnullis instructis. 



Long. 2 lin. 



Hab. Penang. 



Head closely covered with adpressed dirly-white scales ; epi- 

 stome transverse, not distinctly separated from the face, its sur- 

 face glabrous, rugose, rufo-piceous ; antennae slender, nearly fili- 

 form. Thorax transverse, sides rounded, converging in front, 

 lateral margin armed with a single row of short teeth ; upper 

 surface transversely convex, coarsely punctured, rugose on the 

 sides, clothed with adpressed dirty-white scales. Elytra coarsely 

 striate-punctate, convex, clothed with dirty-white scales, inter- 

 mixed with others of a dark fuscous colour, which form irretrular 

 patches on the surface ; in addition are numerous erect rigid hairs. 



2. Demotina rugicolUs, n. sp. 



Oblonga, convexa, picea, subnitida, albo-squamosa ; epistomale 

 transverso, antennis pedibusque rufo-piceis ; thorace rugoso- 

 punctato, ad latera rude rugoso, margine laterali serrato; 

 elytris rufo-piceo-maculatis, rude striato-punctatis, inter- 

 spatiis irregulariter elevatis, ad apicem costatis, squamis hie 

 illic irregulariter congregatis. 



Long. If —2 lin. 



Hab. Celebes. 



Head covered with adpressed scales, epistome glabrous, broader 

 than long, distinctly separated from the face by a sutural groove ; 

 eyes large, prominent. Thorax rather broader than long, sides 

 rounded, armed with a single row of small teeth, which owing to 

 the rugosity of the surface are not easily seen ; upper surface 

 transversely convex, slightly flattened on the middle of the disk, 



