NEW SPECIES OF INDIAN PHYTOPHAGA 119 



Head with a few extremely fine punctures, the clypeus well sepa- 

 rated by a semicircular groove, labrum piceous, margined with 

 flavous, antennae black, the third joint the longest, the following 

 three joints equal, as long as the second, the 7"', 8"' and ninth 

 joint thickened and widened, the terminal two more elongate; 

 thorax nearly ihree times broader than long, the lateral margins 

 straight at the base, rather suddenly rounded anteriorly, the angles 

 acute, the disc very sparingly but rather strongly punctured, the 

 sides broadly variolose punctate, scutellum smooth, elytra very 

 convex, pointed posteriorly, very smooth and shining, the punctures 

 closely but rather irregularly approached in four double rows, those 

 near the suture very indistinctly so and much smaller, the last rows 

 placed aL some distance from the lateral margins; legs rather slen- 

 der, the tibiae not chanelled. 



Hab. Madras, India. 



I know of no similarly sculptured Eastern species of which a 

 single example is contained in my collection. 



CHRYSOMELA SIAMENSIS n. sp. 



Winged, below nearly black, above dark aeneous, sides of thorax 

 evenly rounded, variolose-punctate, not thickened, disc nearly 

 impunctate, elytra deeply and very irregularly semigeminate punc- 

 tate, the punctures near the suture, small. 



Length 8 mill. 



Head with a deep central groove, impunctate, clypeus ratherdeep- 

 ly separated, antennae black, the third joint very slightly longer 

 than the following two joints, terminal five joints distinctly thickened, 

 thorax twice and a half broader than long, the sides evenly rounded, 

 the angles acute but not produced, the disc with a few deep punc- 

 tures, the sides closely variolose punctate, the punctures confluent 

 and causing a longitudinal depression, the extreme lateral margins 

 thickened, scutellum broad, impunctate, elytra rather parallel, 

 subremotely and deeply punctured, the punctures here and there 

 arranged in double rows but for the most part irregularly pla- 

 ced, the extreme lateral margins smooth; below and the legs 

 nearly black. 



Hab. Siam.(My collection.) 



Of more parallel shape than C. madrasce Sind the elytral punc- 

 tuation much more irregularly and closely arranged. 



