/| ',)(') MAirriN .(ACOMV 



joint long, tliickenoil anteriorly, tlio second one very shoi1, third 

 and following joints extremely long, longer than the basal one, 

 thorax subquaih-ate, one half broader than long, the sides very 

 slightly rounded before the middle, the angles distinct but not 

 produced, the surface imi)unctate, minutely granulate, with two 

 deep fovea, separated only by a narrow ridge, scutellum Havous, 

 elytra parallel, with rather feebly raised but closely approached 

 longitudinal ridges, metallic blue or greenish, the interstices 

 closely and strongly impressed with transverse punctures, mi- 

 nutely granulate, underside and legs tìavous, the latter slender, 

 unarmed, the first joint of the posterior tarsi longer than the 

 following joints together, claws appendiculate , anterior eoxal 

 cavities closed. 



Hab. Si-Rambé. 



There is no other Malayan species of this genus, which re- 

 sembles the present one in the costate elytra in connection with 

 its system of coloration. 



158. Aenidea costatipennis, n. sp. — Pale flavous or testaceous, 

 head and thorax impunctate, the latter deejdy bifoveolate, elytra 

 longitudinally costate, the interstices finely pimctured. 



Mas. Head deeply excavated below the antennae, palpi in- 

 crassate. 



Length 3 lines. 



Head longer than broad, impunctate, the eyes very large, 

 lower portion of the face deeply excavated, the upper edge of the 

 excavation with two i)rojections, j)alpi strongly incrassate at the 

 penultimate joint, antennae long and slender, nearly extending 

 to the apex of the elytra, fiavous, the first joint long and slender, 

 the second extremely short, the following joints very elongate, 

 terminal joint half the length , thorax scarcely twice as ])road 

 as long, the sides nearly straight, slightly widened and rounded 

 before the middle, the disc with two deep fovea, interrupted 

 at the middle, impunctate, elytra minutely granulate, longi- 

 tudinally costate, the interstices finely transversely punctured, 

 legs long and slender , tibiae with a slender spine , the first 

 joint of the posterior tarsi very long, nnich longer than the 



